Home / 8,634,665.71-11,916,883.57-4,914,401.25

Finding the Fourth Proportional to 8,634,665.71, 11,916,883.57 and 4,914,401.25

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Solution

The fourth proportional to 8,634,665.71, 11,916,883.57 and 4,914,401.25 is: 6,782,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634,665.71 : 11,916,883.57 = 4,914,401.25 : x
  2. Step 2: Convert to fraction form
    8,634,665.71/11,916,883.57 = 4,914,401.25/x
  3. Step 3: Cross multiply
    8,634,665.71x = 11,916,883.57 × 4,914,401.25
  4. Step 4: Simplify right side
    8,634,665.71x = 58,564,347,528,990.61
  5. Step 5: Solve for x
    x = 58,564,347,528,990.61/8,634,665.71
  6. Step 6: Final answer
    x = 6,782,468.42

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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.