Home / 8,127,475.28-11,213,645.64-6,403,250.96

Finding the Fourth Proportional to 8,127,475.28, 11,213,645.64 and 6,403,250.96

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Solution

The fourth proportional to 8,127,475.28, 11,213,645.64 and 6,403,250.96 is: 8,834,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127,475.28 : 11,213,645.64 = 6,403,250.96 : x
  2. Step 2: Convert to fraction form
    8,127,475.28/11,213,645.64 = 6,403,250.96/x
  3. Step 3: Cross multiply
    8,127,475.28x = 11,213,645.64 × 6,403,250.96
  4. Step 4: Simplify right side
    8,127,475.28x = 71,803,787,209,429.81
  5. Step 5: Solve for x
    x = 71,803,787,209,429.81/8,127,475.28
  6. Step 6: Final answer
    x = 8,834,697.71

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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.