Home / 20,304,285.92-28,023,496.73-12,048,900.06

Finding the Fourth Proportional to 20,304,285.92, 28,023,496.73 and 12,048,900.06

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Solution

The fourth proportional to 20,304,285.92, 28,023,496.73 and 12,048,900.06 is: 16,629,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304,285.92 : 28,023,496.73 = 12,048,900.06 : x
  2. Step 2: Convert to fraction form
    20,304,285.92/28,023,496.73 = 12,048,900.06/x
  3. Step 3: Cross multiply
    20,304,285.92x = 28,023,496.73 × 12,048,900.06
  4. Step 4: Simplify right side
    20,304,285.92x = 337,652,311,431,506.81
  5. Step 5: Solve for x
    x = 337,652,311,431,506.81/20,304,285.92
  6. Step 6: Final answer
    x = 16,629,607.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.