Home / 12,639,479.76-17,454,528.59-11,950,890.53

Finding the Fourth Proportional to 12,639,479.76, 17,454,528.59 and 11,950,890.53

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Solution

The fourth proportional to 12,639,479.76, 17,454,528.59 and 11,950,890.53 is: 16,503,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,479.76 : 17,454,528.59 = 11,950,890.53 : x
  2. Step 2: Convert to fraction form
    12,639,479.76/17,454,528.59 = 11,950,890.53/x
  3. Step 3: Cross multiply
    12,639,479.76x = 17,454,528.59 × 11,950,890.53
  4. Step 4: Simplify right side
    12,639,479.76x = 208,597,160,284,818.19
  5. Step 5: Solve for x
    x = 208,597,160,284,818.19/12,639,479.76
  6. Step 6: Final answer
    x = 16,503,619.16

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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.