Home / 12,482,032.56-18,721,707.48-8,464,309.44

Finding the Fourth Proportional to 12,482,032.56, 18,721,707.48 and 8,464,309.44

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Solution

The fourth proportional to 12,482,032.56, 18,721,707.48 and 8,464,309.44 is: 12,695,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,032.56 : 18,721,707.48 = 8,464,309.44 : x
  2. Step 2: Convert to fraction form
    12,482,032.56/18,721,707.48 = 8,464,309.44/x
  3. Step 3: Cross multiply
    12,482,032.56x = 18,721,707.48 × 8,464,309.44
  4. Step 4: Simplify right side
    12,482,032.56x = 158,466,325,355,882.59
  5. Step 5: Solve for x
    x = 158,466,325,355,882.59/12,482,032.56
  6. Step 6: Final answer
    x = 12,695,554.56

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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.