Home / 20,953,538.76-31,444,739.10-7,306,788.36

Finding the Fourth Proportional to 20,953,538.76, 31,444,739.10 and 7,306,788.36

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Solution

The fourth proportional to 20,953,538.76, 31,444,739.10 and 7,306,788.36 is: 10,965,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953,538.76 : 31,444,739.10 = 7,306,788.36 : x
  2. Step 2: Convert to fraction form
    20,953,538.76/31,444,739.10 = 7,306,788.36/x
  3. Step 3: Cross multiply
    20,953,538.76x = 31,444,739.10 × 7,306,788.36
  4. Step 4: Simplify right side
    20,953,538.76x = 229,760,053,639,116.91
  5. Step 5: Solve for x
    x = 229,760,053,639,116.91/20,953,538.76
  6. Step 6: Final answer
    x = 10,965,214.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.