Home / 12,502,114.56-18,756,000-3,982,936.32

Finding the Fourth Proportional to 12,502,114.56, 18,756,000 and 3,982,936.32

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Solution

The fourth proportional to 12,502,114.56, 18,756,000 and 3,982,936.32 is: 5,975,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502,114.56 : 18,756,000 = 3,982,936.32 : x
  2. Step 2: Convert to fraction form
    12,502,114.56/18,756,000 = 3,982,936.32/x
  3. Step 3: Cross multiply
    12,502,114.56x = 18,756,000 × 3,982,936.32
  4. Step 4: Simplify right side
    12,502,114.56x = 74,703,953,617,920
  5. Step 5: Solve for x
    x = 74,703,953,617,920/12,502,114.56
  6. Step 6: Final answer
    x = 5,975,305.48

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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.