Home / 10,623,076.80-15,931,147.68-3,432,920.64

Finding the Fourth Proportional to 10,623,076.80, 15,931,147.68 and 3,432,920.64

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Solution

The fourth proportional to 10,623,076.80, 15,931,147.68 and 3,432,920.64 is: 5,148,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623,076.80 : 15,931,147.68 = 3,432,920.64 : x
  2. Step 2: Convert to fraction form
    10,623,076.80/15,931,147.68 = 3,432,920.64/x
  3. Step 3: Cross multiply
    10,623,076.80x = 15,931,147.68 × 3,432,920.64
  4. Step 4: Simplify right side
    10,623,076.80x = 54,690,365,689,560.12
  5. Step 5: Solve for x
    x = 54,690,365,689,560.12/10,623,076.80
  6. Step 6: Final answer
    x = 5,148,260.41

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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.