Home / 7,199,676.36-9,935,659.62-4,877,279.28

Finding the Fourth Proportional to 7,199,676.36, 9,935,659.62 and 4,877,279.28

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Solution

The fourth proportional to 7,199,676.36, 9,935,659.62 and 4,877,279.28 is: 6,730,717.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,676.36 : 9,935,659.62 = 4,877,279.28 : x
  2. Step 2: Convert to fraction form
    7,199,676.36/9,935,659.62 = 4,877,279.28/x
  3. Step 3: Cross multiply
    7,199,676.36x = 9,935,659.62 × 4,877,279.28
  4. Step 4: Simplify right side
    7,199,676.36x = 48,458,986,797,758.67
  5. Step 5: Solve for x
    x = 48,458,986,797,758.67/7,199,676.36
  6. Step 6: Final answer
    x = 6,730,717.38

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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.