Home / 6,718,139.20-10,077,208.80-5,521,412.80

Finding the Fourth Proportional to 6,718,139.20, 10,077,208.80 and 5,521,412.80

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Solution

The fourth proportional to 6,718,139.20, 10,077,208.80 and 5,521,412.80 is: 8,282,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,139.20 : 10,077,208.80 = 5,521,412.80 : x
  2. Step 2: Convert to fraction form
    6,718,139.20/10,077,208.80 = 5,521,412.80/x
  3. Step 3: Cross multiply
    6,718,139.20x = 10,077,208.80 × 5,521,412.80
  4. Step 4: Simplify right side
    6,718,139.20x = 55,640,429,656,592.64
  5. Step 5: Solve for x
    x = 55,640,429,656,592.64/6,718,139.20
  6. Step 6: Final answer
    x = 8,282,119.20

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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.