Home / 10,520,856.48-15,767,332.44-5,403,079.92

Finding the Fourth Proportional to 10,520,856.48, 15,767,332.44 and 5,403,079.92

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Solution

The fourth proportional to 10,520,856.48, 15,767,332.44 and 5,403,079.92 is: 8,097,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,856.48 : 15,767,332.44 = 5,403,079.92 : x
  2. Step 2: Convert to fraction form
    10,520,856.48/15,767,332.44 = 5,403,079.92/x
  3. Step 3: Cross multiply
    10,520,856.48x = 15,767,332.44 × 5,403,079.92
  4. Step 4: Simplify right side
    10,520,856.48x = 85,192,157,298,528.59
  5. Step 5: Solve for x
    x = 85,192,157,298,528.59/10,520,856.48
  6. Step 6: Final answer
    x = 8,097,454.56

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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.