Home / 7,158,108.52-9,878,422.98-4,102,899.40

Finding the Fourth Proportional to 7,158,108.52, 9,878,422.98 and 4,102,899.40

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Solution

The fourth proportional to 7,158,108.52, 9,878,422.98 and 4,102,899.40 is: 5,662,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158,108.52 : 9,878,422.98 = 4,102,899.40 : x
  2. Step 2: Convert to fraction form
    7,158,108.52/9,878,422.98 = 4,102,899.40/x
  3. Step 3: Cross multiply
    7,158,108.52x = 9,878,422.98 × 4,102,899.40
  4. Step 4: Simplify right side
    7,158,108.52x = 40,530,175,717,588.21
  5. Step 5: Solve for x
    x = 40,530,175,717,588.21/7,158,108.52
  6. Step 6: Final answer
    x = 5,662,134.85

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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.