Home / 18,902,442.40-28,335,001.20-9,309,968.80

Finding the Fourth Proportional to 18,902,442.40, 28,335,001.20 and 9,309,968.80

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Solution

The fourth proportional to 18,902,442.40, 28,335,001.20 and 9,309,968.80 is: 13,955,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902,442.40 : 28,335,001.20 = 9,309,968.80 : x
  2. Step 2: Convert to fraction form
    18,902,442.40/28,335,001.20 = 9,309,968.80/x
  3. Step 3: Cross multiply
    18,902,442.40x = 28,335,001.20 × 9,309,968.80
  4. Step 4: Simplify right side
    18,902,442.40x = 263,797,977,119,962.56
  5. Step 5: Solve for x
    x = 263,797,977,119,962.56/18,902,442.40
  6. Step 6: Final answer
    x = 13,955,761.46

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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.