Home / 12,892,110.48-17,791,449.09-7,091,044.50

Finding the Fourth Proportional to 12,892,110.48, 17,791,449.09 and 7,091,044.50

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Solution

The fourth proportional to 12,892,110.48, 17,791,449.09 and 7,091,044.50 is: 9,785,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,110.48 : 17,791,449.09 = 7,091,044.50 : x
  2. Step 2: Convert to fraction form
    12,892,110.48/17,791,449.09 = 7,091,044.50/x
  3. Step 3: Cross multiply
    12,892,110.48x = 17,791,449.09 × 7,091,044.50
  4. Step 4: Simplify right side
    12,892,110.48x = 126,159,957,216,674.50
  5. Step 5: Solve for x
    x = 126,159,957,216,674.50/12,892,110.48
  6. Step 6: Final answer
    x = 9,785,826.57

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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.