Home / 21,308,010.11-31,962,610.66-6,931,077.95

Finding the Fourth Proportional to 21,308,010.11, 31,962,610.66 and 6,931,077.95

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Solution

The fourth proportional to 21,308,010.11, 31,962,610.66 and 6,931,077.95 is: 10,396,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,010.11 : 31,962,610.66 = 6,931,077.95 : x
  2. Step 2: Convert to fraction form
    21,308,010.11/31,962,610.66 = 6,931,077.95/x
  3. Step 3: Cross multiply
    21,308,010.11x = 31,962,610.66 × 6,931,077.95
  4. Step 4: Simplify right side
    21,308,010.11x = 221,535,345,935,305.56
  5. Step 5: Solve for x
    x = 221,535,345,935,305.56/21,308,010.11
  6. Step 6: Final answer
    x = 10,396,810.63

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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.