Home / 28,416,711.20-42,625,066.80-19,906,656.80

Finding the Fourth Proportional to 28,416,711.20, 42,625,066.80 and 19,906,656.80

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Solution

The fourth proportional to 28,416,711.20, 42,625,066.80 and 19,906,656.80 is: 29,859,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,711.20 : 42,625,066.80 = 19,906,656.80 : x
  2. Step 2: Convert to fraction form
    28,416,711.20/42,625,066.80 = 19,906,656.80/x
  3. Step 3: Cross multiply
    28,416,711.20x = 42,625,066.80 × 19,906,656.80
  4. Step 4: Simplify right side
    28,416,711.20x = 848,522,575,864,674.25
  5. Step 5: Solve for x
    x = 848,522,575,864,674.25/28,416,711.20
  6. Step 6: Final answer
    x = 29,859,985.20

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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.