Home / 38,976,177.60-58,464,266.40-18,783,460.80

Finding the Fourth Proportional to 38,976,177.60, 58,464,266.40 and 18,783,460.80

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Solution

The fourth proportional to 38,976,177.60, 58,464,266.40 and 18,783,460.80 is: 28,175,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,976,177.60 : 58,464,266.40 = 18,783,460.80 : x
  2. Step 2: Convert to fraction form
    38,976,177.60/58,464,266.40 = 18,783,460.80/x
  3. Step 3: Cross multiply
    38,976,177.60x = 58,464,266.40 × 18,783,460.80
  4. Step 4: Simplify right side
    38,976,177.60x = 1,098,161,256,125,157.12
  5. Step 5: Solve for x
    x = 1,098,161,256,125,157.12/38,976,177.60
  6. Step 6: Final answer
    x = 28,175,191.20

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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.