Home / 38,464,376.20-57,696,564.30-12,906,219.40

Finding the Fourth Proportional to 38,464,376.20, 57,696,564.30 and 12,906,219.40

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Solution

The fourth proportional to 38,464,376.20, 57,696,564.30 and 12,906,219.40 is: 19,359,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,464,376.20 : 57,696,564.30 = 12,906,219.40 : x
  2. Step 2: Convert to fraction form
    38,464,376.20/57,696,564.30 = 12,906,219.40/x
  3. Step 3: Cross multiply
    38,464,376.20x = 57,696,564.30 × 12,906,219.40
  4. Step 4: Simplify right side
    38,464,376.20x = 744,644,517,482,007.38
  5. Step 5: Solve for x
    x = 744,644,517,482,007.38/38,464,376.20
  6. Step 6: Final answer
    x = 19,359,329.10

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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.