Home / 9,109,672.34-12,571,348.76-4,979,720.31

Finding the Fourth Proportional to 9,109,672.34, 12,571,348.76 and 4,979,720.31

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Solution

The fourth proportional to 9,109,672.34, 12,571,348.76 and 4,979,720.31 is: 6,872,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109,672.34 : 12,571,348.76 = 4,979,720.31 : x
  2. Step 2: Convert to fraction form
    9,109,672.34/12,571,348.76 = 4,979,720.31/x
  3. Step 3: Cross multiply
    9,109,672.34x = 12,571,348.76 × 4,979,720.31
  4. Step 4: Simplify right side
    9,109,672.34x = 62,601,800,704,906.06
  5. Step 5: Solve for x
    x = 62,601,800,704,906.06/9,109,672.34
  6. Step 6: Final answer
    x = 6,872,014.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.