Home / 27,701,391.36-38,225,433.60-15,476,551.68

Finding the Fourth Proportional to 27,701,391.36, 38,225,433.60 and 15,476,551.68

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Solution

The fourth proportional to 27,701,391.36, 38,225,433.60 and 15,476,551.68 is: 21,356,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701,391.36 : 38,225,433.60 = 15,476,551.68 : x
  2. Step 2: Convert to fraction form
    27,701,391.36/38,225,433.60 = 15,476,551.68/x
  3. Step 3: Cross multiply
    27,701,391.36x = 38,225,433.60 × 15,476,551.68
  4. Step 4: Simplify right side
    27,701,391.36x = 591,597,898,600,808.50
  5. Step 5: Solve for x
    x = 591,597,898,600,808.50/27,701,391.36
  6. Step 6: Final answer
    x = 21,356,252.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.