Home / 15,373,142.65-21,214,024.90-8,497,214.65

Finding the Fourth Proportional to 15,373,142.65, 21,214,024.90 and 8,497,214.65

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Solution

The fourth proportional to 15,373,142.65, 21,214,024.90 and 8,497,214.65 is: 11,725,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373,142.65 : 21,214,024.90 = 8,497,214.65 : x
  2. Step 2: Convert to fraction form
    15,373,142.65/21,214,024.90 = 8,497,214.65/x
  3. Step 3: Cross multiply
    15,373,142.65x = 21,214,024.90 × 8,497,214.65
  4. Step 4: Simplify right side
    15,373,142.65x = 180,260,123,165,744.78
  5. Step 5: Solve for x
    x = 180,260,123,165,744.78/15,373,142.65
  6. Step 6: Final answer
    x = 11,725,652.15

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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.