Home / 14,235,821.80-21,387,798.96-9,128,258.60

Finding the Fourth Proportional to 14,235,821.80, 21,387,798.96 and 9,128,258.60

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Solution

The fourth proportional to 14,235,821.80, 21,387,798.96 and 9,128,258.60 is: 13,714,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235,821.80 : 21,387,798.96 = 9,128,258.60 : x
  2. Step 2: Convert to fraction form
    14,235,821.80/21,387,798.96 = 9,128,258.60/x
  3. Step 3: Cross multiply
    14,235,821.80x = 21,387,798.96 × 9,128,258.60
  4. Step 4: Simplify right side
    14,235,821.80x = 195,233,359,791,691.06
  5. Step 5: Solve for x
    x = 195,233,359,791,691.06/14,235,821.80
  6. Step 6: Final answer
    x = 13,714,231.78

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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.