Home / 18,443,320.60-27,669,819.30-7,084,139.80

Finding the Fourth Proportional to 18,443,320.60, 27,669,819.30 and 7,084,139.80

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Solution

The fourth proportional to 18,443,320.60, 27,669,819.30 and 7,084,139.80 is: 10,628,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,320.60 : 27,669,819.30 = 7,084,139.80 : x
  2. Step 2: Convert to fraction form
    18,443,320.60/27,669,819.30 = 7,084,139.80/x
  3. Step 3: Cross multiply
    18,443,320.60x = 27,669,819.30 × 7,084,139.80
  4. Step 4: Simplify right side
    18,443,320.60x = 196,016,868,161,938.12
  5. Step 5: Solve for x
    x = 196,016,868,161,938.12/18,443,320.60
  6. Step 6: Final answer
    x = 10,628,068.15

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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.