Home / 12,123,751.60-18,185,627.40-3,602,980.90

Finding the Fourth Proportional to 12,123,751.60, 18,185,627.40 and 3,602,980.90

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Solution

The fourth proportional to 12,123,751.60, 18,185,627.40 and 3,602,980.90 is: 5,404,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,751.60 : 18,185,627.40 = 3,602,980.90 : x
  2. Step 2: Convert to fraction form
    12,123,751.60/18,185,627.40 = 3,602,980.90/x
  3. Step 3: Cross multiply
    12,123,751.60x = 18,185,627.40 × 3,602,980.90
  4. Step 4: Simplify right side
    12,123,751.60x = 65,522,468,176,716.66
  5. Step 5: Solve for x
    x = 65,522,468,176,716.66/12,123,751.60
  6. Step 6: Final answer
    x = 5,404,471.35

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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.