Home / 12,292,277.80-18,438,416.70-9,900,793.30

Finding the Fourth Proportional to 12,292,277.80, 18,438,416.70 and 9,900,793.30

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Solution

The fourth proportional to 12,292,277.80, 18,438,416.70 and 9,900,793.30 is: 14,851,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,277.80 : 18,438,416.70 = 9,900,793.30 : x
  2. Step 2: Convert to fraction form
    12,292,277.80/18,438,416.70 = 9,900,793.30/x
  3. Step 3: Cross multiply
    12,292,277.80x = 18,438,416.70 × 9,900,793.30
  4. Step 4: Simplify right side
    12,292,277.80x = 182,554,952,525,968.12
  5. Step 5: Solve for x
    x = 182,554,952,525,968.12/12,292,277.80
  6. Step 6: Final answer
    x = 14,851,189.95

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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.