Home / 10,394,996.30-15,575,905.65-8,702,938.70

Finding the Fourth Proportional to 10,394,996.30, 15,575,905.65 and 8,702,938.70

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Solution

The fourth proportional to 10,394,996.30, 15,575,905.65 and 8,702,938.70 is: 13,040,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394,996.30 : 15,575,905.65 = 8,702,938.70 : x
  2. Step 2: Convert to fraction form
    10,394,996.30/15,575,905.65 = 8,702,938.70/x
  3. Step 3: Cross multiply
    10,394,996.30x = 15,575,905.65 × 8,702,938.70
  4. Step 4: Simplify right side
    10,394,996.30x = 135,556,152,068,933.64
  5. Step 5: Solve for x
    x = 135,556,152,068,933.64/10,394,996.30
  6. Step 6: Final answer
    x = 13,040,519.51

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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.