Home / 52,829,920.80-79,244,881.20-18,754,711.20

Finding the Fourth Proportional to 52,829,920.80, 79,244,881.20 and 18,754,711.20

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Solution

The fourth proportional to 52,829,920.80, 79,244,881.20 and 18,754,711.20 is: 28,132,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829,920.80 : 79,244,881.20 = 18,754,711.20 : x
  2. Step 2: Convert to fraction form
    52,829,920.80/79,244,881.20 = 18,754,711.20/x
  3. Step 3: Cross multiply
    52,829,920.80x = 79,244,881.20 × 18,754,711.20
  4. Step 4: Simplify right side
    52,829,920.80x = 1,486,214,860,984,309.50
  5. Step 5: Solve for x
    x = 1,486,214,860,984,309.50/52,829,920.80
  6. Step 6: Final answer
    x = 28,132,066.80

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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.