Home / 18,531,932.76-25,574,022.90-10,159,287.84

Finding the Fourth Proportional to 18,531,932.76, 25,574,022.90 and 10,159,287.84

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Solution

The fourth proportional to 18,531,932.76, 25,574,022.90 and 10,159,287.84 is: 14,019,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,932.76 : 25,574,022.90 = 10,159,287.84 : x
  2. Step 2: Convert to fraction form
    18,531,932.76/25,574,022.90 = 10,159,287.84/x
  3. Step 3: Cross multiply
    18,531,932.76x = 25,574,022.90 × 10,159,287.84
  4. Step 4: Simplify right side
    18,531,932.76x = 259,813,859,867,851.53
  5. Step 5: Solve for x
    x = 259,813,859,867,851.53/18,531,932.76
  6. Step 6: Final answer
    x = 14,019,792.93

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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.