Home / 10,721,364.60-16,082,046.90-10,198,817.40

Finding the Fourth Proportional to 10,721,364.60, 16,082,046.90 and 10,198,817.40

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Solution

The fourth proportional to 10,721,364.60, 16,082,046.90 and 10,198,817.40 is: 15,298,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721,364.60 : 16,082,046.90 = 10,198,817.40 : x
  2. Step 2: Convert to fraction form
    10,721,364.60/16,082,046.90 = 10,198,817.40/x
  3. Step 3: Cross multiply
    10,721,364.60x = 16,082,046.90 × 10,198,817.40
  4. Step 4: Simplify right side
    10,721,364.60x = 164,017,859,751,336.06
  5. Step 5: Solve for x
    x = 164,017,859,751,336.06/10,721,364.60
  6. Step 6: Final answer
    x = 15,298,226.10

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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.