Home / 10,388,727.20-15,583,090.56-2,815,692.80

Finding the Fourth Proportional to 10,388,727.20, 15,583,090.56 and 2,815,692.80

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Solution

The fourth proportional to 10,388,727.20, 15,583,090.56 and 2,815,692.80 is: 4,223,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,727.20 : 15,583,090.56 = 2,815,692.80 : x
  2. Step 2: Convert to fraction form
    10,388,727.20/15,583,090.56 = 2,815,692.80/x
  3. Step 3: Cross multiply
    10,388,727.20x = 15,583,090.56 × 2,815,692.80
  4. Step 4: Simplify right side
    10,388,727.20x = 43,877,195,891,539.97
  5. Step 5: Solve for x
    x = 43,877,195,891,539.97/10,388,727.20
  6. Step 6: Final answer
    x = 4,223,539.13

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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.