Home / 12,474,329.10-18,711,493.65-10,931,570.70

Finding the Fourth Proportional to 12,474,329.10, 18,711,493.65 and 10,931,570.70

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Solution

The fourth proportional to 12,474,329.10, 18,711,493.65 and 10,931,570.70 is: 16,397,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,329.10 : 18,711,493.65 = 10,931,570.70 : x
  2. Step 2: Convert to fraction form
    12,474,329.10/18,711,493.65 = 10,931,570.70/x
  3. Step 3: Cross multiply
    12,474,329.10x = 18,711,493.65 × 10,931,570.70
  4. Step 4: Simplify right side
    12,474,329.10x = 204,546,015,737,576.03
  5. Step 5: Solve for x
    x = 204,546,015,737,576.03/12,474,329.10
  6. Step 6: Final answer
    x = 16,397,356.05

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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.