Home / 18,144,417.40-27,216,626.10-11,425,953.40

Finding the Fourth Proportional to 18,144,417.40, 27,216,626.10 and 11,425,953.40

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Solution

The fourth proportional to 18,144,417.40, 27,216,626.10 and 11,425,953.40 is: 17,138,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,417.40 : 27,216,626.10 = 11,425,953.40 : x
  2. Step 2: Convert to fraction form
    18,144,417.40/27,216,626.10 = 11,425,953.40/x
  3. Step 3: Cross multiply
    18,144,417.40x = 27,216,626.10 × 11,425,953.40
  4. Step 4: Simplify right side
    18,144,417.40x = 310,975,901,523,823.75
  5. Step 5: Solve for x
    x = 310,975,901,523,823.75/18,144,417.40
  6. Step 6: Final answer
    x = 17,138,930.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.