Home / 9,159,959.88-12,640,251.04-5,085,316.68

Finding the Fourth Proportional to 9,159,959.88, 12,640,251.04 and 5,085,316.68

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Solution

The fourth proportional to 9,159,959.88, 12,640,251.04 and 5,085,316.68 is: 7,017,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159,959.88 : 12,640,251.04 = 5,085,316.68 : x
  2. Step 2: Convert to fraction form
    9,159,959.88/12,640,251.04 = 5,085,316.68/x
  3. Step 3: Cross multiply
    9,159,959.88x = 12,640,251.04 × 5,085,316.68
  4. Step 4: Simplify right side
    9,159,959.88x = 64,279,679,453,099.34
  5. Step 5: Solve for x
    x = 64,279,679,453,099.34/9,159,959.88
  6. Step 6: Final answer
    x = 7,017,462.99

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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.