Home / 18,696,280.20-28,046,607.30-5,918,076.60

Finding the Fourth Proportional to 18,696,280.20, 28,046,607.30 and 5,918,076.60

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Solution

The fourth proportional to 18,696,280.20, 28,046,607.30 and 5,918,076.60 is: 8,877,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,280.20 : 28,046,607.30 = 5,918,076.60 : x
  2. Step 2: Convert to fraction form
    18,696,280.20/28,046,607.30 = 5,918,076.60/x
  3. Step 3: Cross multiply
    18,696,280.20x = 28,046,607.30 × 5,918,076.60
  4. Step 4: Simplify right side
    18,696,280.20x = 165,981,970,371,519.19
  5. Step 5: Solve for x
    x = 165,981,970,371,519.19/18,696,280.20
  6. Step 6: Final answer
    x = 8,877,807.17

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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.