Home / 10,369,775.70-15,542,221.95-5,318,486.10

Finding the Fourth Proportional to 10,369,775.70, 15,542,221.95 and 5,318,486.10

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Solution

The fourth proportional to 10,369,775.70, 15,542,221.95 and 5,318,486.10 is: 7,971,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,775.70 : 15,542,221.95 = 5,318,486.10 : x
  2. Step 2: Convert to fraction form
    10,369,775.70/15,542,221.95 = 5,318,486.10/x
  3. Step 3: Cross multiply
    10,369,775.70x = 15,542,221.95 × 5,318,486.10
  4. Step 4: Simplify right side
    10,369,775.70x = 82,661,091,404,189.89
  5. Step 5: Solve for x
    x = 82,661,091,404,189.89/10,369,775.70
  6. Step 6: Final answer
    x = 7,971,348.06

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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.