Home / 19,186,488.78-26,480,055.15-12,214,939.38

Finding the Fourth Proportional to 19,186,488.78, 26,480,055.15 and 12,214,939.38

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Solution

The fourth proportional to 19,186,488.78, 26,480,055.15 and 12,214,939.38 is: 16,858,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,488.78 : 26,480,055.15 = 12,214,939.38 : x
  2. Step 2: Convert to fraction form
    19,186,488.78/26,480,055.15 = 12,214,939.38/x
  3. Step 3: Cross multiply
    19,186,488.78x = 26,480,055.15 × 12,214,939.38
  4. Step 4: Simplify right side
    19,186,488.78x = 323,452,268,436,306.81
  5. Step 5: Solve for x
    x = 323,452,268,436,306.81/19,186,488.78
  6. Step 6: Final answer
    x = 16,858,335.68

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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.