Home / 7,121,587.10-9,827,208.46-4,181,094.52

Finding the Fourth Proportional to 7,121,587.10, 9,827,208.46 and 4,181,094.52

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Solution

The fourth proportional to 7,121,587.10, 9,827,208.46 and 4,181,094.52 is: 5,769,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,587.10 : 9,827,208.46 = 4,181,094.52 : x
  2. Step 2: Convert to fraction form
    7,121,587.10/9,827,208.46 = 4,181,094.52/x
  3. Step 3: Cross multiply
    7,121,587.10x = 9,827,208.46 × 4,181,094.52
  4. Step 4: Simplify right side
    7,121,587.10x = 41,088,487,419,661.98
  5. Step 5: Solve for x
    x = 41,088,487,419,661.98/7,121,587.10
  6. Step 6: Final answer
    x = 5,769,568.90

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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.