Home / 9,279,514.50-12,805,869.32-5,149,813.16

Finding the Fourth Proportional to 9,279,514.50, 12,805,869.32 and 5,149,813.16

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Solution

The fourth proportional to 9,279,514.50, 12,805,869.32 and 5,149,813.16 is: 7,106,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279,514.50 : 12,805,869.32 = 5,149,813.16 : x
  2. Step 2: Convert to fraction form
    9,279,514.50/12,805,869.32 = 5,149,813.16/x
  3. Step 3: Cross multiply
    9,279,514.50x = 12,805,869.32 × 5,149,813.16
  4. Step 4: Simplify right side
    9,279,514.50x = 65,947,834,349,376.26
  5. Step 5: Solve for x
    x = 65,947,834,349,376.26/9,279,514.50
  6. Step 6: Final answer
    x = 7,106,819.47

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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.