Home / 38,016,656.40-57,024,466.20-12,458,499.60

Finding the Fourth Proportional to 38,016,656.40, 57,024,466.20 and 12,458,499.60

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Solution

The fourth proportional to 38,016,656.40, 57,024,466.20 and 12,458,499.60 is: 18,687,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016,656.40 : 57,024,466.20 = 12,458,499.60 : x
  2. Step 2: Convert to fraction form
    38,016,656.40/57,024,466.20 = 12,458,499.60/x
  3. Step 3: Cross multiply
    38,016,656.40x = 57,024,466.20 × 12,458,499.60
  4. Step 4: Simplify right side
    38,016,656.40x = 710,439,289,342,913.50
  5. Step 5: Solve for x
    x = 710,439,289,342,913.50/38,016,656.40
  6. Step 6: Final answer
    x = 18,687,579.51

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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.