Home / 10,721,311.60-16,081,967.40-10,198,764.40

Finding the Fourth Proportional to 10,721,311.60, 16,081,967.40 and 10,198,764.40

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Solution

The fourth proportional to 10,721,311.60, 16,081,967.40 and 10,198,764.40 is: 15,298,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721,311.60 : 16,081,967.40 = 10,198,764.40 : x
  2. Step 2: Convert to fraction form
    10,721,311.60/16,081,967.40 = 10,198,764.40/x
  3. Step 3: Cross multiply
    10,721,311.60x = 16,081,967.40 × 10,198,764.40
  4. Step 4: Simplify right side
    10,721,311.60x = 164,016,196,601,080.56
  5. Step 5: Solve for x
    x = 164,016,196,601,080.56/10,721,311.60
  6. Step 6: Final answer
    x = 15,298,146.60

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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.