Home / 38,520,133.60-57,780,200.40-12,952,645.60

Finding the Fourth Proportional to 38,520,133.60, 57,780,200.40 and 12,952,645.60

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Solution

The fourth proportional to 38,520,133.60, 57,780,200.40 and 12,952,645.60 is: 19,428,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520,133.60 : 57,780,200.40 = 12,952,645.60 : x
  2. Step 2: Convert to fraction form
    38,520,133.60/57,780,200.40 = 12,952,645.60/x
  3. Step 3: Cross multiply
    38,520,133.60x = 57,780,200.40 × 12,952,645.60
  4. Step 4: Simplify right side
    38,520,133.60x = 748,406,458,478,178.25
  5. Step 5: Solve for x
    x = 748,406,458,478,178.25/38,520,133.60
  6. Step 6: Final answer
    x = 19,428,968.40

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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.