Home / 8,212,079.60-12,304,122.60-7,008,354.80

Finding the Fourth Proportional to 8,212,079.60, 12,304,122.60 and 7,008,354.80

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Solution

The fourth proportional to 8,212,079.60, 12,304,122.60 and 7,008,354.80 is: 10,500,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212,079.60 : 12,304,122.60 = 7,008,354.80 : x
  2. Step 2: Convert to fraction form
    8,212,079.60/12,304,122.60 = 7,008,354.80/x
  3. Step 3: Cross multiply
    8,212,079.60x = 12,304,122.60 × 7,008,354.80
  4. Step 4: Simplify right side
    8,212,079.60x = 86,231,656,683,498.47
  5. Step 5: Solve for x
    x = 86,231,656,683,498.47/8,212,079.60
  6. Step 6: Final answer
    x = 10,500,587.05

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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.