Home / 8,712,000.30-13,072,666.05-3,663,821.10

Finding the Fourth Proportional to 8,712,000.30, 13,072,666.05 and 3,663,821.10

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Solution

The fourth proportional to 8,712,000.30, 13,072,666.05 and 3,663,821.10 is: 5,497,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712,000.30 : 13,072,666.05 = 3,663,821.10 : x
  2. Step 2: Convert to fraction form
    8,712,000.30/13,072,666.05 = 3,663,821.10/x
  3. Step 3: Cross multiply
    8,712,000.30x = 13,072,666.05 × 3,663,821.10
  4. Step 4: Simplify right side
    8,712,000.30x = 47,895,909,707,243.66
  5. Step 5: Solve for x
    x = 47,895,909,707,243.66/8,712,000.30
  6. Step 6: Final answer
    x = 5,497,693.76

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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.