Home / 9,268,077.85-12,790,702.69-5,139,403.65

Finding the Fourth Proportional to 9,268,077.85, 12,790,702.69 and 5,139,403.65

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Solution

The fourth proportional to 9,268,077.85, 12,790,702.69 and 5,139,403.65 is: 7,092,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,077.85 : 12,790,702.69 = 5,139,403.65 : x
  2. Step 2: Convert to fraction form
    9,268,077.85/12,790,702.69 = 5,139,403.65/x
  3. Step 3: Cross multiply
    9,268,077.85x = 12,790,702.69 × 5,139,403.65
  4. Step 4: Simplify right side
    9,268,077.85x = 65,736,584,078,202.31
  5. Step 5: Solve for x
    x = 65,736,584,078,202.31/9,268,077.85
  6. Step 6: Final answer
    x = 7,092,795.85

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Double scale
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1.5x scale

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.