Home / 12,969,235.58-17,898,471.74-7,167,892.76

Finding the Fourth Proportional to 12,969,235.58, 17,898,471.74 and 7,167,892.76

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Solution

The fourth proportional to 12,969,235.58, 17,898,471.74 and 7,167,892.76 is: 9,892,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,235.58 : 17,898,471.74 = 7,167,892.76 : x
  2. Step 2: Convert to fraction form
    12,969,235.58/17,898,471.74 = 7,167,892.76/x
  3. Step 3: Cross multiply
    12,969,235.58x = 17,898,471.74 × 7,167,892.76
  4. Step 4: Simplify right side
    12,969,235.58x = 128,294,325,874,878.78
  5. Step 5: Solve for x
    x = 128,294,325,874,878.78/12,969,235.58
  6. Step 6: Final answer
    x = 9,892,204.14

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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.