Home / 20,736,005.90-31,104,008.86-6,361,292.30

Finding the Fourth Proportional to 20,736,005.90, 31,104,008.86 and 6,361,292.30

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Solution

The fourth proportional to 20,736,005.90, 31,104,008.86 and 6,361,292.30 is: 9,541,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,005.90 : 31,104,008.86 = 6,361,292.30 : x
  2. Step 2: Convert to fraction form
    20,736,005.90/31,104,008.86 = 6,361,292.30/x
  3. Step 3: Cross multiply
    20,736,005.90x = 31,104,008.86 × 6,361,292.30
  4. Step 4: Simplify right side
    20,736,005.90x = 197,861,692,060,249.78
  5. Step 5: Solve for x
    x = 197,861,692,060,249.78/20,736,005.90
  6. Step 6: Final answer
    x = 9,541,938.45

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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.