Home / 7,790,687.07-11,739,207.71-6,401,854.59

Finding the Fourth Proportional to 7,790,687.07, 11,739,207.71 and 6,401,854.59

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Solution

The fourth proportional to 7,790,687.07, 11,739,207.71 and 6,401,854.59 is: 9,646,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,687.07 : 11,739,207.71 = 6,401,854.59 : x
  2. Step 2: Convert to fraction form
    7,790,687.07/11,739,207.71 = 6,401,854.59/x
  3. Step 3: Cross multiply
    7,790,687.07x = 11,739,207.71 × 6,401,854.59
  4. Step 4: Simplify right side
    7,790,687.07x = 75,152,700,761,226.89
  5. Step 5: Solve for x
    x = 75,152,700,761,226.89/7,790,687.07
  6. Step 6: Final answer
    x = 9,646,479.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.