Home / 15,516,757.17-21,411,592.11-8,641,878.93

Finding the Fourth Proportional to 15,516,757.17, 21,411,592.11 and 8,641,878.93

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Solution

The fourth proportional to 15,516,757.17, 21,411,592.11 and 8,641,878.93 is: 11,924,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516,757.17 : 21,411,592.11 = 8,641,878.93 : x
  2. Step 2: Convert to fraction form
    15,516,757.17/21,411,592.11 = 8,641,878.93/x
  3. Step 3: Cross multiply
    15,516,757.17x = 21,411,592.11 × 8,641,878.93
  4. Step 4: Simplify right side
    15,516,757.17x = 185,036,386,713,163.22
  5. Step 5: Solve for x
    x = 185,036,386,713,163.22/15,516,757.17
  6. Step 6: Final answer
    x = 11,924,939.26

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1.5x scale

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.