Home / 12,983,911.49-19,479,766.77-3,886,306.17

Finding the Fourth Proportional to 12,983,911.49, 19,479,766.77 and 3,886,306.17

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Solution

The fourth proportional to 12,983,911.49, 19,479,766.77 and 3,886,306.17 is: 5,830,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,911.49 : 19,479,766.77 = 3,886,306.17 : x
  2. Step 2: Convert to fraction form
    12,983,911.49/19,479,766.77 = 3,886,306.17/x
  3. Step 3: Cross multiply
    12,983,911.49x = 19,479,766.77 × 3,886,306.17
  4. Step 4: Simplify right side
    12,983,911.49x = 75,704,337,788,411.97
  5. Step 5: Solve for x
    x = 75,704,337,788,411.97/12,983,911.49
  6. Step 6: Final answer
    x = 5,830,626.45

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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.