Home / 15,855,931.78-21,883,001.04-8,888,491.15

Finding the Fourth Proportional to 15,855,931.78, 21,883,001.04 and 8,888,491.15

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Solution

The fourth proportional to 15,855,931.78, 21,883,001.04 and 8,888,491.15 is: 12,267,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855,931.78 : 21,883,001.04 = 8,888,491.15 : x
  2. Step 2: Convert to fraction form
    15,855,931.78/21,883,001.04 = 8,888,491.15/x
  3. Step 3: Cross multiply
    15,855,931.78x = 21,883,001.04 × 8,888,491.15
  4. Step 4: Simplify right side
    15,855,931.78x = 194,506,861,024,773.31
  5. Step 5: Solve for x
    x = 194,506,861,024,773.31/15,855,931.78
  6. Step 6: Final answer
    x = 12,267,135.34

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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.