Home / 42,766,337.61-64,155,908.10-15,479,014.80

Finding the Fourth Proportional to 42,766,337.61, 64,155,908.10 and 15,479,014.80

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Solution

The fourth proportional to 42,766,337.61, 64,155,908.10 and 15,479,014.80 is: 23,220,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766,337.61 : 64,155,908.10 = 15,479,014.80 : x
  2. Step 2: Convert to fraction form
    42,766,337.61/64,155,908.10 = 15,479,014.80/x
  3. Step 3: Cross multiply
    42,766,337.61x = 64,155,908.10 × 15,479,014.80
  4. Step 4: Simplify right side
    42,766,337.61x = 993,070,250,987,340
  5. Step 5: Solve for x
    x = 993,070,250,987,340/42,766,337.61
  6. Step 6: Final answer
    x = 23,220,839.25

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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.