Home / 8,479,041.07-12,661,128.71-6,730,291.36

Finding the Fourth Proportional to 8,479,041.07, 12,661,128.71 and 6,730,291.36

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Solution

The fourth proportional to 8,479,041.07, 12,661,128.71 and 6,730,291.36 is: 10,049,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479,041.07 : 12,661,128.71 = 6,730,291.36 : x
  2. Step 2: Convert to fraction form
    8,479,041.07/12,661,128.71 = 6,730,291.36/x
  3. Step 3: Cross multiply
    8,479,041.07x = 12,661,128.71 × 6,730,291.36
  4. Step 4: Simplify right side
    8,479,041.07x = 85,213,085,084,251.70
  5. Step 5: Solve for x
    x = 85,213,085,084,251.70/8,479,041.07
  6. Step 6: Final answer
    x = 10,049,849.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.