Home / 20,909,693.15-31,361,060.93-6,333,147.02

Finding the Fourth Proportional to 20,909,693.15, 31,361,060.93 and 6,333,147.02

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Solution

The fourth proportional to 20,909,693.15, 31,361,060.93 and 6,333,147.02 is: 9,498,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,909,693.15 : 31,361,060.93 = 6,333,147.02 : x
  2. Step 2: Convert to fraction form
    20,909,693.15/31,361,060.93 = 6,333,147.02/x
  3. Step 3: Cross multiply
    20,909,693.15x = 31,361,060.93 × 6,333,147.02
  4. Step 4: Simplify right side
    20,909,693.15x = 198,614,209,384,396.88
  5. Step 5: Solve for x
    x = 198,614,209,384,396.88/20,909,693.15
  6. Step 6: Final answer
    x = 9,498,666.86

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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.