Home / 12,828,691.18-19,242,874.11-3,113,384.15

Finding the Fourth Proportional to 12,828,691.18, 19,242,874.11 and 3,113,384.15

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Solution

The fourth proportional to 12,828,691.18, 19,242,874.11 and 3,113,384.15 is: 4,670,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,691.18 : 19,242,874.11 = 3,113,384.15 : x
  2. Step 2: Convert to fraction form
    12,828,691.18/19,242,874.11 = 3,113,384.15/x
  3. Step 3: Cross multiply
    12,828,691.18x = 19,242,874.11 × 3,113,384.15
  4. Step 4: Simplify right side
    12,828,691.18x = 59,910,459,328,227.62
  5. Step 5: Solve for x
    x = 59,910,459,328,227.62/12,828,691.18
  6. Step 6: Final answer
    x = 4,670,036.76

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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.