Home / 10,134,211.20-15,203,908.80-7,148,227.20

Finding the Fourth Proportional to 10,134,211.20, 15,203,908.80 and 7,148,227.20

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Solution

The fourth proportional to 10,134,211.20, 15,203,908.80 and 7,148,227.20 is: 10,724,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,211.20 : 15,203,908.80 = 7,148,227.20 : x
  2. Step 2: Convert to fraction form
    10,134,211.20/15,203,908.80 = 7,148,227.20/x
  3. Step 3: Cross multiply
    10,134,211.20x = 15,203,908.80 × 7,148,227.20
  4. Step 4: Simplify right side
    10,134,211.20x = 108,680,994,430,479.38
  5. Step 5: Solve for x
    x = 108,680,994,430,479.38/10,134,211.20
  6. Step 6: Final answer
    x = 10,724,169.08

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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.