Home / 33,218,139.70-49,827,209.55-18,869,232.70

Finding the Fourth Proportional to 33,218,139.70, 49,827,209.55 and 18,869,232.70

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Solution

The fourth proportional to 33,218,139.70, 49,827,209.55 and 18,869,232.70 is: 28,303,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218,139.70 : 49,827,209.55 = 18,869,232.70 : x
  2. Step 2: Convert to fraction form
    33,218,139.70/49,827,209.55 = 18,869,232.70/x
  3. Step 3: Cross multiply
    33,218,139.70x = 49,827,209.55 × 18,869,232.70
  4. Step 4: Simplify right side
    33,218,139.70x = 940,201,211,790,612.25
  5. Step 5: Solve for x
    x = 940,201,211,790,612.25/33,218,139.70
  6. Step 6: Final answer
    x = 28,303,849.05

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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.