Home / 10,902,353.60-16,353,530.40-3,721,995.20

Finding the Fourth Proportional to 10,902,353.60, 16,353,530.40 and 3,721,995.20

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Solution

The fourth proportional to 10,902,353.60, 16,353,530.40 and 3,721,995.20 is: 5,582,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,353.60 : 16,353,530.40 = 3,721,995.20 : x
  2. Step 2: Convert to fraction form
    10,902,353.60/16,353,530.40 = 3,721,995.20/x
  3. Step 3: Cross multiply
    10,902,353.60x = 16,353,530.40 × 3,721,995.20
  4. Step 4: Simplify right side
    10,902,353.60x = 60,867,761,651,854.09
  5. Step 5: Solve for x
    x = 60,867,761,651,854.09/10,902,353.60
  6. Step 6: Final answer
    x = 5,582,992.80

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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.