Home / 20,468,830.60-30,703,245.90-5,322,762.10

Finding the Fourth Proportional to 20,468,830.60, 30,703,245.90 and 5,322,762.10

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Solution

The fourth proportional to 20,468,830.60, 30,703,245.90 and 5,322,762.10 is: 7,984,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468,830.60 : 30,703,245.90 = 5,322,762.10 : x
  2. Step 2: Convert to fraction form
    20,468,830.60/30,703,245.90 = 5,322,762.10/x
  3. Step 3: Cross multiply
    20,468,830.60x = 30,703,245.90 × 5,322,762.10
  4. Step 4: Simplify right side
    20,468,830.60x = 163,426,073,623,500.38
  5. Step 5: Solve for x
    x = 163,426,073,623,500.38/20,468,830.60
  6. Step 6: Final answer
    x = 7,984,143.15

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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.