Home / 8,425,009.60-12,644,604.06-7,893,568.60

Finding the Fourth Proportional to 8,425,009.60, 12,644,604.06 and 7,893,568.60

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Solution

The fourth proportional to 8,425,009.60, 12,644,604.06 and 7,893,568.60 is: 11,846,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425,009.60 : 12,644,604.06 = 7,893,568.60 : x
  2. Step 2: Convert to fraction form
    8,425,009.60/12,644,604.06 = 7,893,568.60/x
  3. Step 3: Cross multiply
    8,425,009.60x = 12,644,604.06 × 7,893,568.60
  4. Step 4: Simplify right side
    8,425,009.60x = 99,811,049,567,448.52
  5. Step 5: Solve for x
    x = 99,811,049,567,448.52/8,425,009.60
  6. Step 6: Final answer
    x = 11,846,995.35

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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.