Home / 10,146,439.20-14,002,104.87-5,500,209.96

Finding the Fourth Proportional to 10,146,439.20, 14,002,104.87 and 5,500,209.96

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Solution

The fourth proportional to 10,146,439.20, 14,002,104.87 and 5,500,209.96 is: 7,590,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146,439.20 : 14,002,104.87 = 5,500,209.96 : x
  2. Step 2: Convert to fraction form
    10,146,439.20/14,002,104.87 = 5,500,209.96/x
  3. Step 3: Cross multiply
    10,146,439.20x = 14,002,104.87 × 5,500,209.96
  4. Step 4: Simplify right side
    10,146,439.20x = 77,014,516,666,938.50
  5. Step 5: Solve for x
    x = 77,014,516,666,938.50/10,146,439.20
  6. Step 6: Final answer
    x = 7,590,299.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.