Home / 19,720,258.20-29,580,387.30-9,103,426.20

Finding the Fourth Proportional to 19,720,258.20, 29,580,387.30 and 9,103,426.20

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Solution

The fourth proportional to 19,720,258.20, 29,580,387.30 and 9,103,426.20 is: 13,655,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,258.20 : 29,580,387.30 = 9,103,426.20 : x
  2. Step 2: Convert to fraction form
    19,720,258.20/29,580,387.30 = 9,103,426.20/x
  3. Step 3: Cross multiply
    19,720,258.20x = 29,580,387.30 × 9,103,426.20
  4. Step 4: Simplify right side
    19,720,258.20x = 269,282,872,752,967.25
  5. Step 5: Solve for x
    x = 269,282,872,752,967.25/19,720,258.20
  6. Step 6: Final answer
    x = 13,655,139.30

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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.