Home / 10,071,942.80-15,107,895.30-3,155,951.60

Finding the Fourth Proportional to 10,071,942.80, 15,107,895.30 and 3,155,951.60

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Solution

The fourth proportional to 10,071,942.80, 15,107,895.30 and 3,155,951.60 is: 4,733,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,942.80 : 15,107,895.30 = 3,155,951.60 : x
  2. Step 2: Convert to fraction form
    10,071,942.80/15,107,895.30 = 3,155,951.60/x
  3. Step 3: Cross multiply
    10,071,942.80x = 15,107,895.30 × 3,155,951.60
  4. Step 4: Simplify right side
    10,071,942.80x = 47,679,786,344,667.48
  5. Step 5: Solve for x
    x = 47,679,786,344,667.48/10,071,942.80
  6. Step 6: Final answer
    x = 4,733,921.48

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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.