Home / 10,177,986.10-15,266,979.15-8,792,302.90

Finding the Fourth Proportional to 10,177,986.10, 15,266,979.15 and 8,792,302.90

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Solution

The fourth proportional to 10,177,986.10, 15,266,979.15 and 8,792,302.90 is: 13,188,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177,986.10 : 15,266,979.15 = 8,792,302.90 : x
  2. Step 2: Convert to fraction form
    10,177,986.10/15,266,979.15 = 8,792,302.90/x
  3. Step 3: Cross multiply
    10,177,986.10x = 15,266,979.15 × 8,792,302.90
  4. Step 4: Simplify right side
    10,177,986.10x = 134,231,905,054,784.55
  5. Step 5: Solve for x
    x = 134,231,905,054,784.55/10,177,986.10
  6. Step 6: Final answer
    x = 13,188,454.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.