Home / 10,311,343.20-15,446,019.60-5,265,496.80

Finding the Fourth Proportional to 10,311,343.20, 15,446,019.60 and 5,265,496.80

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Solution

The fourth proportional to 10,311,343.20, 15,446,019.60 and 5,265,496.80 is: 7,887,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311,343.20 : 15,446,019.60 = 5,265,496.80 : x
  2. Step 2: Convert to fraction form
    10,311,343.20/15,446,019.60 = 5,265,496.80/x
  3. Step 3: Cross multiply
    10,311,343.20x = 15,446,019.60 × 5,265,496.80
  4. Step 4: Simplify right side
    10,311,343.20x = 81,330,966,776,537.28
  5. Step 5: Solve for x
    x = 81,330,966,776,537.28/10,311,343.20
  6. Step 6: Final answer
    x = 7,887,523.98

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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.