Home / 10,602,610.20-15,903,915.30-7,243,378.20

Finding the Fourth Proportional to 10,602,610.20, 15,903,915.30 and 7,243,378.20

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Solution

The fourth proportional to 10,602,610.20, 15,903,915.30 and 7,243,378.20 is: 10,865,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602,610.20 : 15,903,915.30 = 7,243,378.20 : x
  2. Step 2: Convert to fraction form
    10,602,610.20/15,903,915.30 = 7,243,378.20/x
  3. Step 3: Cross multiply
    10,602,610.20x = 15,903,915.30 × 7,243,378.20
  4. Step 4: Simplify right side
    10,602,610.20x = 115,198,073,378,666.47
  5. Step 5: Solve for x
    x = 115,198,073,378,666.47/10,602,610.20
  6. Step 6: Final answer
    x = 10,865,067.30

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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.