Home / 18,203,411.40-27,305,117.10-4,740,239.40

Finding the Fourth Proportional to 18,203,411.40, 27,305,117.10 and 4,740,239.40

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Solution

The fourth proportional to 18,203,411.40, 27,305,117.10 and 4,740,239.40 is: 7,110,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203,411.40 : 27,305,117.10 = 4,740,239.40 : x
  2. Step 2: Convert to fraction form
    18,203,411.40/27,305,117.10 = 4,740,239.40/x
  3. Step 3: Cross multiply
    18,203,411.40x = 27,305,117.10 × 4,740,239.40
  4. Step 4: Simplify right side
    18,203,411.40x = 129,432,791,899,033.75
  5. Step 5: Solve for x
    x = 129,432,791,899,033.75/18,203,411.40
  6. Step 6: Final answer
    x = 7,110,359.10

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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.