Home / 20,468,829.60-30,703,244.40-5,322,761.10

Finding the Fourth Proportional to 20,468,829.60, 30,703,244.40 and 5,322,761.10

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Solution

The fourth proportional to 20,468,829.60, 30,703,244.40 and 5,322,761.10 is: 7,984,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468,829.60 : 30,703,244.40 = 5,322,761.10 : x
  2. Step 2: Convert to fraction form
    20,468,829.60/30,703,244.40 = 5,322,761.10/x
  3. Step 3: Cross multiply
    20,468,829.60x = 30,703,244.40 × 5,322,761.10
  4. Step 4: Simplify right side
    20,468,829.60x = 163,426,034,936,112.81
  5. Step 5: Solve for x
    x = 163,426,034,936,112.81/20,468,829.60
  6. Step 6: Final answer
    x = 7,984,141.65

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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.