Home / 7,132,422.46-9,842,742.89-4,076,702.30

Finding the Fourth Proportional to 7,132,422.46, 9,842,742.89 and 4,076,702.30

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Solution

The fourth proportional to 7,132,422.46, 9,842,742.89 and 4,076,702.30 is: 5,625,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132,422.46 : 9,842,742.89 = 4,076,702.30 : x
  2. Step 2: Convert to fraction form
    7,132,422.46/9,842,742.89 = 4,076,702.30/x
  3. Step 3: Cross multiply
    7,132,422.46x = 9,842,742.89 × 4,076,702.30
  4. Step 4: Simplify right side
    7,132,422.46x = 40,125,932,577,971.65
  5. Step 5: Solve for x
    x = 40,125,932,577,971.65/7,132,422.46
  6. Step 6: Final answer
    x = 5,625,849.11

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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.