Home / 20,731,077.48-31,096,616.20-10,627,254.12

Finding the Fourth Proportional to 20,731,077.48, 31,096,616.20 and 10,627,254.12

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Solution

The fourth proportional to 20,731,077.48, 31,096,616.20 and 10,627,254.12 is: 15,940,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731,077.48 : 31,096,616.20 = 10,627,254.12 : x
  2. Step 2: Convert to fraction form
    20,731,077.48/31,096,616.20 = 10,627,254.12/x
  3. Step 3: Cross multiply
    20,731,077.48x = 31,096,616.20 × 10,627,254.12
  4. Step 4: Simplify right side
    20,731,077.48x = 330,471,642,629,508.69
  5. Step 5: Solve for x
    x = 330,471,642,629,508.69/20,731,077.48
  6. Step 6: Final answer
    x = 15,940,881.17

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1.5x scale

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.