Home / 8,686,250.78-11,987,040.20-4,818,772.06

Finding the Fourth Proportional to 8,686,250.78, 11,987,040.20 and 4,818,772.06

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Solution

The fourth proportional to 8,686,250.78, 11,987,040.20 and 4,818,772.06 is: 6,649,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,250.78 : 11,987,040.20 = 4,818,772.06 : x
  2. Step 2: Convert to fraction form
    8,686,250.78/11,987,040.20 = 4,818,772.06/x
  3. Step 3: Cross multiply
    8,686,250.78x = 11,987,040.20 × 4,818,772.06
  4. Step 4: Simplify right side
    8,686,250.78x = 57,762,814,373,762.95
  5. Step 5: Solve for x
    x = 57,762,814,373,762.95/8,686,250.78
  6. Step 6: Final answer
    x = 6,649,913.28

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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.