Home / 8,320,461.40-12,484,839.30-4,728,986.20

Finding the Fourth Proportional to 8,320,461.40, 12,484,839.30 and 4,728,986.20

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Solution

The fourth proportional to 8,320,461.40, 12,484,839.30 and 4,728,986.20 is: 7,095,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,461.40 : 12,484,839.30 = 4,728,986.20 : x
  2. Step 2: Convert to fraction form
    8,320,461.40/12,484,839.30 = 4,728,986.20/x
  3. Step 3: Cross multiply
    8,320,461.40x = 12,484,839.30 × 4,728,986.20
  4. Step 4: Simplify right side
    8,320,461.40x = 59,040,632,758,917.66
  5. Step 5: Solve for x
    x = 59,040,632,758,917.66/8,320,461.40
  6. Step 6: Final answer
    x = 7,095,836.39

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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.