Home / 20,674,906.62-31,012,357.95-5,528,444.46

Finding the Fourth Proportional to 20,674,906.62, 31,012,357.95 and 5,528,444.46

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Solution

The fourth proportional to 20,674,906.62, 31,012,357.95 and 5,528,444.46 is: 8,292,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674,906.62 : 31,012,357.95 = 5,528,444.46 : x
  2. Step 2: Convert to fraction form
    20,674,906.62/31,012,357.95 = 5,528,444.46/x
  3. Step 3: Cross multiply
    20,674,906.62x = 31,012,357.95 × 5,528,444.46
  4. Step 4: Simplify right side
    20,674,906.62x = 171,450,098,500,214.44
  5. Step 5: Solve for x
    x = 171,450,098,500,214.44/20,674,906.62
  6. Step 6: Final answer
    x = 8,292,666.16

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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.