Home / 12,502,116.56-18,756,003-3,982,938.32

Finding the Fourth Proportional to 12,502,116.56, 18,756,003 and 3,982,938.32

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Solution

The fourth proportional to 12,502,116.56, 18,756,003 and 3,982,938.32 is: 5,975,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502,116.56 : 18,756,003 = 3,982,938.32 : x
  2. Step 2: Convert to fraction form
    12,502,116.56/18,756,003 = 3,982,938.32/x
  3. Step 3: Cross multiply
    12,502,116.56x = 18,756,003 × 3,982,938.32
  4. Step 4: Simplify right side
    12,502,116.56x = 74,704,003,078,734.95
  5. Step 5: Solve for x
    x = 74,704,003,078,734.95/12,502,116.56
  6. Step 6: Final answer
    x = 5,975,308.48

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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.