Home / 10,213,166.37-15,316,760.10-8,411,581.38

Finding the Fourth Proportional to 10,213,166.37, 15,316,760.10 and 8,411,581.38

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Solution

The fourth proportional to 10,213,166.37, 15,316,760.10 and 8,411,581.38 is: 12,614,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213,166.37 : 15,316,760.10 = 8,411,581.38 : x
  2. Step 2: Convert to fraction form
    10,213,166.37/15,316,760.10 = 8,411,581.38/x
  3. Step 3: Cross multiply
    10,213,166.37x = 15,316,760.10 × 8,411,581.38
  4. Step 4: Simplify right side
    10,213,166.37x = 128,838,174,148,068.20
  5. Step 5: Solve for x
    x = 128,838,174,148,068.20/10,213,166.37
  6. Step 6: Final answer
    x = 12,614,909.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.