Home / 20,814,251.70-31,252,069.14-11,610,206.52

Finding the Fourth Proportional to 20,814,251.70, 31,252,069.14 and 11,610,206.52

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Solution

The fourth proportional to 20,814,251.70, 31,252,069.14 and 11,610,206.52 is: 17,432,429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,814,251.70 : 31,252,069.14 = 11,610,206.52 : x
  2. Step 2: Convert to fraction form
    20,814,251.70/31,252,069.14 = 11,610,206.52/x
  3. Step 3: Cross multiply
    20,814,251.70x = 31,252,069.14 × 11,610,206.52
  4. Step 4: Simplify right side
    20,814,251.70x = 362,842,976,892,718.81
  5. Step 5: Solve for x
    x = 362,842,976,892,718.81/20,814,251.70
  6. Step 6: Final answer
    x = 17,432,429.57

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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.