Home / 10,650,219.40-15,975,329.10-8,949,608.20

Finding the Fourth Proportional to 10,650,219.40, 15,975,329.10 and 8,949,608.20

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Solution

The fourth proportional to 10,650,219.40, 15,975,329.10 and 8,949,608.20 is: 13,424,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650,219.40 : 15,975,329.10 = 8,949,608.20 : x
  2. Step 2: Convert to fraction form
    10,650,219.40/15,975,329.10 = 8,949,608.20/x
  3. Step 3: Cross multiply
    10,650,219.40x = 15,975,329.10 × 8,949,608.20
  4. Step 4: Simplify right side
    10,650,219.40x = 142,972,936,311,058.59
  5. Step 5: Solve for x
    x = 142,972,936,311,058.59/10,650,219.40
  6. Step 6: Final answer
    x = 13,424,412.30

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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.