Home / 12,539,431.60-18,811,017.28-4,451,729.98

Finding the Fourth Proportional to 12,539,431.60, 18,811,017.28 and 4,451,729.98

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Solution

The fourth proportional to 12,539,431.60, 18,811,017.28 and 4,451,729.98 is: 6,678,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,431.60 : 18,811,017.28 = 4,451,729.98 : x
  2. Step 2: Convert to fraction form
    12,539,431.60/18,811,017.28 = 4,451,729.98/x
  3. Step 3: Cross multiply
    12,539,431.60x = 18,811,017.28 × 4,451,729.98
  4. Step 4: Simplify right side
    12,539,431.60x = 83,741,569,573,481.83
  5. Step 5: Solve for x
    x = 83,741,569,573,481.83/12,539,431.60
  6. Step 6: Final answer
    x = 6,678,258.81

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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.