Home / 33,021,382.80-49,537,979.10-13,854,077.40

Finding the Fourth Proportional to 33,021,382.80, 49,537,979.10 and 13,854,077.40

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Solution

The fourth proportional to 33,021,382.80, 49,537,979.10 and 13,854,077.40 is: 20,783,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021,382.80 : 49,537,979.10 = 13,854,077.40 : x
  2. Step 2: Convert to fraction form
    33,021,382.80/49,537,979.10 = 13,854,077.40/x
  3. Step 3: Cross multiply
    33,021,382.80x = 49,537,979.10 × 13,854,077.40
  4. Step 4: Simplify right side
    33,021,382.80x = 686,302,996,690,982.38
  5. Step 5: Solve for x
    x = 686,302,996,690,982.38/33,021,382.80
  6. Step 6: Final answer
    x = 20,783,593.49

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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.