Home / 7,156,701.64-9,876,271.80-3,893,515.66

Finding the Fourth Proportional to 7,156,701.64, 9,876,271.80 and 3,893,515.66

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Solution

The fourth proportional to 7,156,701.64, 9,876,271.80 and 3,893,515.66 is: 5,373,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,701.64 : 9,876,271.80 = 3,893,515.66 : x
  2. Step 2: Convert to fraction form
    7,156,701.64/9,876,271.80 = 3,893,515.66/x
  3. Step 3: Cross multiply
    7,156,701.64x = 9,876,271.80 × 3,893,515.66
  4. Step 4: Simplify right side
    7,156,701.64x = 38,453,418,915,716.39
  5. Step 5: Solve for x
    x = 38,453,418,915,716.39/7,156,701.64
  6. Step 6: Final answer
    x = 5,373,064.42

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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.