Home / 13,838,471.69-20,759,688.56-4,254,654.92

Finding the Fourth Proportional to 13,838,471.69, 20,759,688.56 and 4,254,654.92

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Solution

The fourth proportional to 13,838,471.69, 20,759,688.56 and 4,254,654.92 is: 6,382,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838,471.69 : 20,759,688.56 = 4,254,654.92 : x
  2. Step 2: Convert to fraction form
    13,838,471.69/20,759,688.56 = 4,254,654.92/x
  3. Step 3: Cross multiply
    13,838,471.69x = 20,759,688.56 × 4,254,654.92
  4. Step 4: Simplify right side
    13,838,471.69x = 88,325,310,976,309.91
  5. Step 5: Solve for x
    x = 88,325,310,976,309.91/13,838,471.69
  6. Step 6: Final answer
    x = 6,382,591.44

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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.