Home / 7,185,962.78-9,891,458.21-6,266,569.85

Finding the Fourth Proportional to 7,185,962.78, 9,891,458.21 and 6,266,569.85

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Solution

The fourth proportional to 7,185,962.78, 9,891,458.21 and 6,266,569.85 is: 8,625,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,962.78 : 9,891,458.21 = 6,266,569.85 : x
  2. Step 2: Convert to fraction form
    7,185,962.78/9,891,458.21 = 6,266,569.85/x
  3. Step 3: Cross multiply
    7,185,962.78x = 9,891,458.21 × 6,266,569.85
  4. Step 4: Simplify right side
    7,185,962.78x = 61,985,513,759,988.12
  5. Step 5: Solve for x
    x = 61,985,513,759,988.12/7,185,962.78
  6. Step 6: Final answer
    x = 8,625,916.34

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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.