Home / 19,321,870.60-28,982,805.90-18,377,086.60

Finding the Fourth Proportional to 19,321,870.60, 28,982,805.90 and 18,377,086.60

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Solution

The fourth proportional to 19,321,870.60, 28,982,805.90 and 18,377,086.60 is: 27,565,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,870.60 : 28,982,805.90 = 18,377,086.60 : x
  2. Step 2: Convert to fraction form
    19,321,870.60/28,982,805.90 = 18,377,086.60/x
  3. Step 3: Cross multiply
    19,321,870.60x = 28,982,805.90 × 18,377,086.60
  4. Step 4: Simplify right side
    19,321,870.60x = 532,619,533,935,290.94
  5. Step 5: Solve for x
    x = 532,619,533,935,290.94/19,321,870.60
  6. Step 6: Final answer
    x = 27,565,629.90

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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.