Home / 7,661,959.36-11,492,938.86-7,278,829.72

Finding the Fourth Proportional to 7,661,959.36, 11,492,938.86 and 7,278,829.72

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Solution

The fourth proportional to 7,661,959.36, 11,492,938.86 and 7,278,829.72 is: 10,918,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,959.36 : 11,492,938.86 = 7,278,829.72 : x
  2. Step 2: Convert to fraction form
    7,661,959.36/11,492,938.86 = 7,278,829.72/x
  3. Step 3: Cross multiply
    7,661,959.36x = 11,492,938.86 × 7,278,829.72
  4. Step 4: Simplify right side
    7,661,959.36x = 83,655,144,944,310.91
  5. Step 5: Solve for x
    x = 83,655,144,944,310.91/7,661,959.36
  6. Step 6: Final answer
    x = 10,918,244.41

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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.