Home / 12,944,805.20-19,424,206.20-5,372,536.40

Finding the Fourth Proportional to 12,944,805.20, 19,424,206.20 and 5,372,536.40

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Solution

The fourth proportional to 12,944,805.20, 19,424,206.20 and 5,372,536.40 is: 8,061,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,805.20 : 19,424,206.20 = 5,372,536.40 : x
  2. Step 2: Convert to fraction form
    12,944,805.20/19,424,206.20 = 5,372,536.40/x
  3. Step 3: Cross multiply
    12,944,805.20x = 19,424,206.20 × 5,372,536.40
  4. Step 4: Simplify right side
    12,944,805.20x = 104,357,254,850,605.69
  5. Step 5: Solve for x
    x = 104,357,254,850,605.69/12,944,805.20
  6. Step 6: Final answer
    x = 8,061,709.18

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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.