Home / 10,372,435.20-15,553,987.20-3,980,563.20

Finding the Fourth Proportional to 10,372,435.20, 15,553,987.20 and 3,980,563.20

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Solution

The fourth proportional to 10,372,435.20, 15,553,987.20 and 3,980,563.20 is: 5,969,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,435.20 : 15,553,987.20 = 3,980,563.20 : x
  2. Step 2: Convert to fraction form
    10,372,435.20/15,553,987.20 = 3,980,563.20/x
  3. Step 3: Cross multiply
    10,372,435.20x = 15,553,987.20 × 3,980,563.20
  4. Step 4: Simplify right side
    10,372,435.20x = 61,913,629,061,591.04
  5. Step 5: Solve for x
    x = 61,913,629,061,591.04/10,372,435.20
  6. Step 6: Final answer
    x = 5,969,054.31

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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.