Home / 10,646,999.40-15,982,308.90-6,608,047.80

Finding the Fourth Proportional to 10,646,999.40, 15,982,308.90 and 6,608,047.80

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Solution

The fourth proportional to 10,646,999.40, 15,982,308.90 and 6,608,047.80 is: 9,919,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646,999.40 : 15,982,308.90 = 6,608,047.80 : x
  2. Step 2: Convert to fraction form
    10,646,999.40/15,982,308.90 = 6,608,047.80/x
  3. Step 3: Cross multiply
    10,646,999.40x = 15,982,308.90 × 6,608,047.80
  4. Step 4: Simplify right side
    10,646,999.40x = 105,611,861,165,565.42
  5. Step 5: Solve for x
    x = 105,611,861,165,565.42/10,646,999.40
  6. Step 6: Final answer
    x = 9,919,401.44

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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.