Home / 12,944,854.20-19,424,279.70-5,372,585.40

Finding the Fourth Proportional to 12,944,854.20, 19,424,279.70 and 5,372,585.40

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Solution

The fourth proportional to 12,944,854.20, 19,424,279.70 and 5,372,585.40 is: 8,061,782.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,854.20 : 19,424,279.70 = 5,372,585.40 : x
  2. Step 2: Convert to fraction form
    12,944,854.20/19,424,279.70 = 5,372,585.40/x
  3. Step 3: Cross multiply
    12,944,854.20x = 19,424,279.70 × 5,372,585.40
  4. Step 4: Simplify right side
    12,944,854.20x = 104,358,601,521,736.39
  5. Step 5: Solve for x
    x = 104,358,601,521,736.39/12,944,854.20
  6. Step 6: Final answer
    x = 8,061,782.69

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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.