Home / 12,442,958.40-18,664,437.60-10,317,194.40

Finding the Fourth Proportional to 12,442,958.40, 18,664,437.60 and 10,317,194.40

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Solution

The fourth proportional to 12,442,958.40, 18,664,437.60 and 10,317,194.40 is: 15,475,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,958.40 : 18,664,437.60 = 10,317,194.40 : x
  2. Step 2: Convert to fraction form
    12,442,958.40/18,664,437.60 = 10,317,194.40/x
  3. Step 3: Cross multiply
    12,442,958.40x = 18,664,437.60 × 10,317,194.40
  4. Step 4: Simplify right side
    12,442,958.40x = 192,564,631,085,869.47
  5. Step 5: Solve for x
    x = 192,564,631,085,869.47/12,442,958.40
  6. Step 6: Final answer
    x = 15,475,791.60

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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.