Home / 12,585,198.83-18,844,903.63-11,818,102.20

Finding the Fourth Proportional to 12,585,198.83, 18,844,903.63 and 11,818,102.20

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Solution

The fourth proportional to 12,585,198.83, 18,844,903.63 and 11,818,102.20 is: 17,696,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,198.83 : 18,844,903.63 = 11,818,102.20 : x
  2. Step 2: Convert to fraction form
    12,585,198.83/18,844,903.63 = 11,818,102.20/x
  3. Step 3: Cross multiply
    12,585,198.83x = 18,844,903.63 × 11,818,102.20
  4. Step 4: Simplify right side
    12,585,198.83x = 222,710,996,954,266.47
  5. Step 5: Solve for x
    x = 222,710,996,954,266.47/12,585,198.83
  6. Step 6: Final answer
    x = 17,696,263.69

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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.