Home / 19,431,094.80-29,146,642.20-8,065,693.20

Finding the Fourth Proportional to 19,431,094.80, 29,146,642.20 and 8,065,693.20

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Solution

The fourth proportional to 19,431,094.80, 29,146,642.20 and 8,065,693.20 is: 12,098,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,094.80 : 29,146,642.20 = 8,065,693.20 : x
  2. Step 2: Convert to fraction form
    19,431,094.80/29,146,642.20 = 8,065,693.20/x
  3. Step 3: Cross multiply
    19,431,094.80x = 29,146,642.20 × 8,065,693.20
  4. Step 4: Simplify right side
    19,431,094.80x = 235,087,873,795,373.03
  5. Step 5: Solve for x
    x = 235,087,873,795,373.03/19,431,094.80
  6. Step 6: Final answer
    x = 12,098,539.80

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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.