Home / 12,966,380.37-17,894,682.41-7,166,294.37

Finding the Fourth Proportional to 12,966,380.37, 17,894,682.41 and 7,166,294.37

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Solution

The fourth proportional to 12,966,380.37, 17,894,682.41 and 7,166,294.37 is: 9,890,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966,380.37 : 17,894,682.41 = 7,166,294.37 : x
  2. Step 2: Convert to fraction form
    12,966,380.37/17,894,682.41 = 7,166,294.37/x
  3. Step 3: Cross multiply
    12,966,380.37x = 17,894,682.41 × 7,166,294.37
  4. Step 4: Simplify right side
    12,966,380.37x = 128,238,561,771,889.58
  5. Step 5: Solve for x
    x = 128,238,561,771,889.58/12,966,380.37
  6. Step 6: Final answer
    x = 9,890,081.74

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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.