Home / 22,555,679.60-31,121,500.64-12,766,124.07

Finding the Fourth Proportional to 22,555,679.60, 31,121,500.64 and 12,766,124.07

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Solution

The fourth proportional to 22,555,679.60, 31,121,500.64 and 12,766,124.07 is: 17,614,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555,679.60 : 31,121,500.64 = 12,766,124.07 : x
  2. Step 2: Convert to fraction form
    22,555,679.60/31,121,500.64 = 12,766,124.07/x
  3. Step 3: Cross multiply
    22,555,679.60x = 31,121,500.64 × 12,766,124.07
  4. Step 4: Simplify right side
    22,555,679.60x = 397,300,938,350,993.81
  5. Step 5: Solve for x
    x = 397,300,938,350,993.81/22,555,679.60
  6. Step 6: Final answer
    x = 17,614,230.45

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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.