Home / 20,619,443.60-30,921,292.20-6,237,731.60

Finding the Fourth Proportional to 20,619,443.60, 30,921,292.20 and 6,237,731.60

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Solution

The fourth proportional to 20,619,443.60, 30,921,292.20 and 6,237,731.60 is: 9,354,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619,443.60 : 30,921,292.20 = 6,237,731.60 : x
  2. Step 2: Convert to fraction form
    20,619,443.60/30,921,292.20 = 6,237,731.60/x
  3. Step 3: Cross multiply
    20,619,443.60x = 30,921,292.20 × 6,237,731.60
  4. Step 4: Simplify right side
    20,619,443.60x = 192,878,721,468,773.50
  5. Step 5: Solve for x
    x = 192,878,721,468,773.50/20,619,443.60
  6. Step 6: Final answer
    x = 9,354,215.62

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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.