Home / 15,539,694.24-21,439,155.06-9,009,727.68

Finding the Fourth Proportional to 15,539,694.24, 21,439,155.06 and 9,009,727.68

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Solution

The fourth proportional to 15,539,694.24, 21,439,155.06 and 9,009,727.68 is: 12,430,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539,694.24 : 21,439,155.06 = 9,009,727.68 : x
  2. Step 2: Convert to fraction form
    15,539,694.24/21,439,155.06 = 9,009,727.68/x
  3. Step 3: Cross multiply
    15,539,694.24x = 21,439,155.06 × 9,009,727.68
  4. Step 4: Simplify right side
    15,539,694.24x = 193,160,948,779,894.03
  5. Step 5: Solve for x
    x = 193,160,948,779,894.03/15,539,694.24
  6. Step 6: Final answer
    x = 12,430,164.06

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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.