Home / 15,290,354.61-21,104,834.51-9,016,361.30

Finding the Fourth Proportional to 15,290,354.61, 21,104,834.51 and 9,016,361.30

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Solution

The fourth proportional to 15,290,354.61, 21,104,834.51 and 9,016,361.30 is: 12,445,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,354.61 : 21,104,834.51 = 9,016,361.30 : x
  2. Step 2: Convert to fraction form
    15,290,354.61/21,104,834.51 = 9,016,361.30/x
  3. Step 3: Cross multiply
    15,290,354.61x = 21,104,834.51 × 9,016,361.30
  4. Step 4: Simplify right side
    15,290,354.61x = 190,288,813,194,171.44
  5. Step 5: Solve for x
    x = 190,288,813,194,171.44/15,290,354.61
  6. Step 6: Final answer
    x = 12,445,022.90

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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.