Home / 10,388,753.28-15,583,130.04-2,815,719.03

Finding the Fourth Proportional to 10,388,753.28, 15,583,130.04 and 2,815,719.03

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Solution

The fourth proportional to 10,388,753.28, 15,583,130.04 and 2,815,719.03 is: 4,223,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,753.28 : 15,583,130.04 = 2,815,719.03 : x
  2. Step 2: Convert to fraction form
    10,388,753.28/15,583,130.04 = 2,815,719.03/x
  3. Step 3: Cross multiply
    10,388,753.28x = 15,583,130.04 × 2,815,719.03
  4. Step 4: Simplify right side
    10,388,753.28x = 43,877,715,800,592.66
  5. Step 5: Solve for x
    x = 43,877,715,800,592.66/10,388,753.28
  6. Step 6: Final answer
    x = 4,223,578.58

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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.