Home / 19,186,488.76-26,480,054.78-12,214,939.20

Finding the Fourth Proportional to 19,186,488.76, 26,480,054.78 and 12,214,939.20

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Solution

The fourth proportional to 19,186,488.76, 26,480,054.78 and 12,214,939.20 is: 16,858,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,488.76 : 26,480,054.78 = 12,214,939.20 : x
  2. Step 2: Convert to fraction form
    19,186,488.76/26,480,054.78 = 12,214,939.20/x
  3. Step 3: Cross multiply
    19,186,488.76x = 26,480,054.78 × 12,214,939.20
  4. Step 4: Simplify right side
    19,186,488.76x = 323,452,259,150,369.38
  5. Step 5: Solve for x
    x = 323,452,259,150,369.38/19,186,488.76
  6. Step 6: Final answer
    x = 16,858,335.22

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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.