Home / 12,892,100.34-17,791,435.08-7,091,034.36

Finding the Fourth Proportional to 12,892,100.34, 17,791,435.08 and 7,091,034.36

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Solution

The fourth proportional to 12,892,100.34, 17,791,435.08 and 7,091,034.36 is: 9,785,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,100.34 : 17,791,435.08 = 7,091,034.36 : x
  2. Step 2: Convert to fraction form
    12,892,100.34/17,791,435.08 = 7,091,034.36/x
  3. Step 3: Cross multiply
    12,892,100.34x = 17,791,435.08 × 7,091,034.36
  4. Step 4: Simplify right side
    12,892,100.34x = 126,159,677,465,989.34
  5. Step 5: Solve for x
    x = 126,159,677,465,989.34/12,892,100.34
  6. Step 6: Final answer
    x = 9,785,812.56

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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.