Home / 28,547,057.11-39,394,839.46-15,494,315.98

Finding the Fourth Proportional to 28,547,057.11, 39,394,839.46 and 15,494,315.98

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Solution

The fourth proportional to 28,547,057.11, 39,394,839.46 and 15,494,315.98 is: 21,382,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,057.11 : 39,394,839.46 = 15,494,315.98 : x
  2. Step 2: Convert to fraction form
    28,547,057.11/39,394,839.46 = 15,494,315.98/x
  3. Step 3: Cross multiply
    28,547,057.11x = 39,394,839.46 × 15,494,315.98
  4. Step 4: Simplify right side
    28,547,057.11x = 610,396,090,497,141
  5. Step 5: Solve for x
    x = 610,396,090,497,141/28,547,057.11
  6. Step 6: Final answer
    x = 21,382,102.13

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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.