Home / 28,551,241.38-39,400,763.13-15,498,509.16

Finding the Fourth Proportional to 28,551,241.38, 39,400,763.13 and 15,498,509.16

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Solution

The fourth proportional to 28,551,241.38, 39,400,763.13 and 15,498,509.16 is: 21,387,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551,241.38 : 39,400,763.13 = 15,498,509.16 : x
  2. Step 2: Convert to fraction form
    28,551,241.38/39,400,763.13 = 15,498,509.16/x
  3. Step 3: Cross multiply
    28,551,241.38x = 39,400,763.13 × 15,498,509.16
  4. Step 4: Simplify right side
    28,551,241.38x = 610,653,088,281,295.38
  5. Step 5: Solve for x
    x = 610,653,088,281,295.38/28,551,241.38
  6. Step 6: Final answer
    x = 21,387,969.80

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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.