Home / 8,625,984.30-12,938,976.45-3,307,200.30

Finding the Fourth Proportional to 8,625,984.30, 12,938,976.45 and 3,307,200.30

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Solution

The fourth proportional to 8,625,984.30, 12,938,976.45 and 3,307,200.30 is: 4,960,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625,984.30 : 12,938,976.45 = 3,307,200.30 : x
  2. Step 2: Convert to fraction form
    8,625,984.30/12,938,976.45 = 3,307,200.30/x
  3. Step 3: Cross multiply
    8,625,984.30x = 12,938,976.45 × 3,307,200.30
  4. Step 4: Simplify right side
    8,625,984.30x = 42,791,786,797,132.93
  5. Step 5: Solve for x
    x = 42,791,786,797,132.93/8,625,984.30
  6. Step 6: Final answer
    x = 4,960,800.45

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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.