Home / 31,605,979.06-47,408,986.92-8,886,876.28

Finding the Fourth Proportional to 31,605,979.06, 47,408,986.92 and 8,886,876.28

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Solution

The fourth proportional to 31,605,979.06, 47,408,986.92 and 8,886,876.28 is: 13,330,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605,979.06 : 47,408,986.92 = 8,886,876.28 : x
  2. Step 2: Convert to fraction form
    31,605,979.06/47,408,986.92 = 8,886,876.28/x
  3. Step 3: Cross multiply
    31,605,979.06x = 47,408,986.92 × 8,886,876.28
  4. Step 4: Simplify right side
    31,605,979.06x = 421,317,801,318,178.25
  5. Step 5: Solve for x
    x = 421,317,801,318,178.25/31,605,979.06
  6. Step 6: Final answer
    x = 13,330,319.57

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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.