Home / 28,007,833.13-38,651,493.15-15,617,805.62

Finding the Fourth Proportional to 28,007,833.13, 38,651,493.15 and 15,617,805.62

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Solution

The fourth proportional to 28,007,833.13, 38,651,493.15 and 15,617,805.62 is: 21,552,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007,833.13 : 38,651,493.15 = 15,617,805.62 : x
  2. Step 2: Convert to fraction form
    28,007,833.13/38,651,493.15 = 15,617,805.62/x
  3. Step 3: Cross multiply
    28,007,833.13x = 38,651,493.15 × 15,617,805.62
  4. Step 4: Simplify right side
    28,007,833.13x = 603,651,507,036,090.25
  5. Step 5: Solve for x
    x = 603,651,507,036,090.25/28,007,833.13
  6. Step 6: Final answer
    x = 21,552,952.86

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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.