Home / 10,729,165.80-14,805,129.06-6,145,680.36

Finding the Fourth Proportional to 10,729,165.80, 14,805,129.06 and 6,145,680.36

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Solution

The fourth proportional to 10,729,165.80, 14,805,129.06 and 6,145,680.36 is: 8,480,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729,165.80 : 14,805,129.06 = 6,145,680.36 : x
  2. Step 2: Convert to fraction form
    10,729,165.80/14,805,129.06 = 6,145,680.36/x
  3. Step 3: Cross multiply
    10,729,165.80x = 14,805,129.06 × 6,145,680.36
  4. Step 4: Simplify right side
    10,729,165.80x = 90,987,590,891,307.27
  5. Step 5: Solve for x
    x = 90,987,590,891,307.27/10,729,165.80
  6. Step 6: Final answer
    x = 8,480,397.51

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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.