Home / 22,157,470.60-30,582,411.25-12,993,065.80

Finding the Fourth Proportional to 22,157,470.60, 30,582,411.25 and 12,993,065.80

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Solution

The fourth proportional to 22,157,470.60, 30,582,411.25 and 12,993,065.80 is: 17,933,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,470.60 : 30,582,411.25 = 12,993,065.80 : x
  2. Step 2: Convert to fraction form
    22,157,470.60/30,582,411.25 = 12,993,065.80/x
  3. Step 3: Cross multiply
    22,157,470.60x = 30,582,411.25 × 12,993,065.80
  4. Step 4: Simplify right side
    22,157,470.60x = 397,359,281,693,910.25
  5. Step 5: Solve for x
    x = 397,359,281,693,910.25/22,157,470.60
  6. Step 6: Final answer
    x = 17,933,422.50

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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.