Home / 15,041,826.25-20,757,720.03-8,166,308.31

Finding the Fourth Proportional to 15,041,826.25, 20,757,720.03 and 8,166,308.31

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Solution

The fourth proportional to 15,041,826.25, 20,757,720.03 and 8,166,308.31 is: 11,269,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041,826.25 : 20,757,720.03 = 8,166,308.31 : x
  2. Step 2: Convert to fraction form
    15,041,826.25/20,757,720.03 = 8,166,308.31/x
  3. Step 3: Cross multiply
    15,041,826.25x = 20,757,720.03 × 8,166,308.31
  4. Step 4: Simplify right side
    15,041,826.25x = 169,513,941,577,642.44
  5. Step 5: Solve for x
    x = 169,513,941,577,642.44/15,041,826.25
  6. Step 6: Final answer
    x = 11,269,505.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.