Home / 16,817,568.39-25,134,194.61-12,278,176.56

Finding the Fourth Proportional to 16,817,568.39, 25,134,194.61 and 12,278,176.56

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Solution

The fourth proportional to 16,817,568.39, 25,134,194.61 and 12,278,176.56 is: 18,349,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817,568.39 : 25,134,194.61 = 12,278,176.56 : x
  2. Step 2: Convert to fraction form
    16,817,568.39/25,134,194.61 = 12,278,176.56/x
  3. Step 3: Cross multiply
    16,817,568.39x = 25,134,194.61 × 12,278,176.56
  4. Step 4: Simplify right side
    16,817,568.39x = 308,602,079,114,980.38
  5. Step 5: Solve for x
    x = 308,602,079,114,980.38/16,817,568.39
  6. Step 6: Final answer
    x = 18,349,982.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.