Home / 12,292,287.30-18,438,430.95-9,900,802.80

Finding the Fourth Proportional to 12,292,287.30, 18,438,430.95 and 9,900,802.80

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Solution

The fourth proportional to 12,292,287.30, 18,438,430.95 and 9,900,802.80 is: 14,851,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,287.30 : 18,438,430.95 = 9,900,802.80 : x
  2. Step 2: Convert to fraction form
    12,292,287.30/18,438,430.95 = 9,900,802.80/x
  3. Step 3: Cross multiply
    12,292,287.30x = 18,438,430.95 × 9,900,802.80
  4. Step 4: Simplify right side
    12,292,287.30x = 182,555,268,777,366.66
  5. Step 5: Solve for x
    x = 182,555,268,777,366.66/12,292,287.30
  6. Step 6: Final answer
    x = 14,851,204.20

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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.