Home / 7,756,549.80-11,640,139.02-2,707,860.12

Finding the Fourth Proportional to 7,756,549.80, 11,640,139.02 and 2,707,860.12

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Solution

The fourth proportional to 7,756,549.80, 11,640,139.02 and 2,707,860.12 is: 4,063,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756,549.80 : 11,640,139.02 = 2,707,860.12 : x
  2. Step 2: Convert to fraction form
    7,756,549.80/11,640,139.02 = 2,707,860.12/x
  3. Step 3: Cross multiply
    7,756,549.80x = 11,640,139.02 × 2,707,860.12
  4. Step 4: Simplify right side
    7,756,549.80x = 31,519,868,243,513.88
  5. Step 5: Solve for x
    x = 31,519,868,243,513.88/7,756,549.80
  6. Step 6: Final answer
    x = 4,063,645.44

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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.