Home / 40,784,560.80-56,284,179.11-22,198,802.69

Finding the Fourth Proportional to 40,784,560.80, 56,284,179.11 and 22,198,802.69

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Solution

The fourth proportional to 40,784,560.80, 56,284,179.11 and 22,198,802.69 is: 30,635,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784,560.80 : 56,284,179.11 = 22,198,802.69 : x
  2. Step 2: Convert to fraction form
    40,784,560.80/56,284,179.11 = 22,198,802.69/x
  3. Step 3: Cross multiply
    40,784,560.80x = 56,284,179.11 × 22,198,802.69
  4. Step 4: Simplify right side
    40,784,560.80x = 1,249,441,386,744,471.75
  5. Step 5: Solve for x
    x = 1,249,441,386,744,471.75/40,784,560.80
  6. Step 6: Final answer
    x = 30,635,156.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.