Home / 12,214,432.71-18,322,279.65-3,116,609.91

Finding the Fourth Proportional to 12,214,432.71, 18,322,279.65 and 3,116,609.91

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Solution

The fourth proportional to 12,214,432.71, 18,322,279.65 and 3,116,609.91 is: 4,675,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,432.71 : 18,322,279.65 = 3,116,609.91 : x
  2. Step 2: Convert to fraction form
    12,214,432.71/18,322,279.65 = 3,116,609.91/x
  3. Step 3: Cross multiply
    12,214,432.71x = 18,322,279.65 × 3,116,609.91
  4. Step 4: Simplify right side
    12,214,432.71x = 57,103,398,330,981.33
  5. Step 5: Solve for x
    x = 57,103,398,330,981.33/12,214,432.71
  6. Step 6: Final answer
    x = 4,675,075.76

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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.