Home / 9,247,559.40-12,761,613.99-5,173,178.40

Finding the Fourth Proportional to 9,247,559.40, 12,761,613.99 and 5,173,178.40

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Solution

The fourth proportional to 9,247,559.40, 12,761,613.99 and 5,173,178.40 is: 7,138,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247,559.40 : 12,761,613.99 = 5,173,178.40 : x
  2. Step 2: Convert to fraction form
    9,247,559.40/12,761,613.99 = 5,173,178.40/x
  3. Step 3: Cross multiply
    9,247,559.40x = 12,761,613.99 × 5,173,178.40
  4. Step 4: Simplify right side
    9,247,559.40x = 66,018,105,842,205.82
  5. Step 5: Solve for x
    x = 66,018,105,842,205.82/9,247,559.40
  6. Step 6: Final answer
    x = 7,138,976.13

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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.