Home / 8,123,021.28-11,209,384.80-4,861,632.96

Finding the Fourth Proportional to 8,123,021.28, 11,209,384.80 and 4,861,632.96

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Solution

The fourth proportional to 8,123,021.28, 11,209,384.80 and 4,861,632.96 is: 6,708,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,021.28 : 11,209,384.80 = 4,861,632.96 : x
  2. Step 2: Convert to fraction form
    8,123,021.28/11,209,384.80 = 4,861,632.96/x
  3. Step 3: Cross multiply
    8,123,021.28x = 11,209,384.80 × 4,861,632.96
  4. Step 4: Simplify right side
    8,123,021.28x = 54,495,914,605,003.01
  5. Step 5: Solve for x
    x = 54,495,914,605,003.01/8,123,021.28
  6. Step 6: Final answer
    x = 6,708,823.32

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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.