Home / 8,478,001.35-12,717,002.03-8,398,285.20

Finding the Fourth Proportional to 8,478,001.35, 12,717,002.03 and 8,398,285.20

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Solution

The fourth proportional to 8,478,001.35, 12,717,002.03 and 8,398,285.20 is: 12,597,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,001.35 : 12,717,002.03 = 8,398,285.20 : x
  2. Step 2: Convert to fraction form
    8,478,001.35/12,717,002.03 = 8,398,285.20/x
  3. Step 3: Cross multiply
    8,478,001.35x = 12,717,002.03 × 8,398,285.20
  4. Step 4: Simplify right side
    8,478,001.35x = 106,801,009,894,927.53
  5. Step 5: Solve for x
    x = 106,801,009,894,927.53/8,478,001.35
  6. Step 6: Final answer
    x = 12,597,427.80

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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.