Home / 8,777,412.18-12,115,263.56-5,107,037.72

Finding the Fourth Proportional to 8,777,412.18, 12,115,263.56 and 5,107,037.72

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Solution

The fourth proportional to 8,777,412.18, 12,115,263.56 and 5,107,037.72 is: 7,049,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777,412.18 : 12,115,263.56 = 5,107,037.72 : x
  2. Step 2: Convert to fraction form
    8,777,412.18/12,115,263.56 = 5,107,037.72/x
  3. Step 3: Cross multiply
    8,777,412.18x = 12,115,263.56 × 5,107,037.72
  4. Step 4: Simplify right side
    8,777,412.18x = 61,873,107,902,549.98
  5. Step 5: Solve for x
    x = 61,873,107,902,549.98/8,777,412.18
  6. Step 6: Final answer
    x = 7,049,128.68

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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.