Home / 9,486,315.64-13,091,112.81-5,135,398.72

Finding the Fourth Proportional to 9,486,315.64, 13,091,112.81 and 5,135,398.72

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Solution

The fourth proportional to 9,486,315.64, 13,091,112.81 and 5,135,398.72 is: 7,086,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,315.64 : 13,091,112.81 = 5,135,398.72 : x
  2. Step 2: Convert to fraction form
    9,486,315.64/13,091,112.81 = 5,135,398.72/x
  3. Step 3: Cross multiply
    9,486,315.64x = 13,091,112.81 × 5,135,398.72
  4. Step 4: Simplify right side
    9,486,315.64x = 67,228,083,935,121.83
  5. Step 5: Solve for x
    x = 67,228,083,935,121.83/9,486,315.64
  6. Step 6: Final answer
    x = 7,086,848.73

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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.