Home / 8,413,031.10-12,594,663.45-7,920,896.70

Finding the Fourth Proportional to 8,413,031.10, 12,594,663.45 and 7,920,896.70

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Solution

The fourth proportional to 8,413,031.10, 12,594,663.45 and 7,920,896.70 is: 11,857,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413,031.10 : 12,594,663.45 = 7,920,896.70 : x
  2. Step 2: Convert to fraction form
    8,413,031.10/12,594,663.45 = 7,920,896.70/x
  3. Step 3: Cross multiply
    8,413,031.10x = 12,594,663.45 × 7,920,896.70
  4. Step 4: Simplify right side
    8,413,031.10x = 99,761,028,158,715.61
  5. Step 5: Solve for x
    x = 99,761,028,158,715.61/8,413,031.10
  6. Step 6: Final answer
    x = 11,857,917.43

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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.