Home / 7,185,936.80-9,891,422.40-6,266,543.87

Finding the Fourth Proportional to 7,185,936.80, 9,891,422.40 and 6,266,543.87

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Solution

The fourth proportional to 7,185,936.80, 9,891,422.40 and 6,266,543.87 is: 8,625,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,936.80 : 9,891,422.40 = 6,266,543.87 : x
  2. Step 2: Convert to fraction form
    7,185,936.80/9,891,422.40 = 6,266,543.87/x
  3. Step 3: Cross multiply
    7,185,936.80x = 9,891,422.40 × 6,266,543.87
  4. Step 4: Simplify right side
    7,185,936.80x = 61,985,032,454,528.78
  5. Step 5: Solve for x
    x = 61,985,032,454,528.78/7,185,936.80
  6. Step 6: Final answer
    x = 8,625,880.54

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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.