Home / 12,629,624.74-17,428,867.32-6,828,392.72

Finding the Fourth Proportional to 12,629,624.74, 17,428,867.32 and 6,828,392.72

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Solution

The fourth proportional to 12,629,624.74, 17,428,867.32 and 6,828,392.72 is: 9,423,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629,624.74 : 17,428,867.32 = 6,828,392.72 : x
  2. Step 2: Convert to fraction form
    12,629,624.74/17,428,867.32 = 6,828,392.72/x
  3. Step 3: Cross multiply
    12,629,624.74x = 17,428,867.32 × 6,828,392.72
  4. Step 4: Simplify right side
    12,629,624.74x = 119,011,150,725,733.91
  5. Step 5: Solve for x
    x = 119,011,150,725,733.91/12,629,624.74
  6. Step 6: Final answer
    x = 9,423,173.94

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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.