Home / 20,599,141.36-28,423,912.08-12,337,268.80

Finding the Fourth Proportional to 20,599,141.36, 28,423,912.08 and 12,337,268.80

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Solution

The fourth proportional to 20,599,141.36, 28,423,912.08 and 12,337,268.80 is: 17,023,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599,141.36 : 28,423,912.08 = 12,337,268.80 : x
  2. Step 2: Convert to fraction form
    20,599,141.36/28,423,912.08 = 12,337,268.80/x
  3. Step 3: Cross multiply
    20,599,141.36x = 28,423,912.08 × 12,337,268.80
  4. Step 4: Simplify right side
    20,599,141.36x = 350,673,443,678,527.12
  5. Step 5: Solve for x
    x = 350,673,443,678,527.12/20,599,141.36
  6. Step 6: Final answer
    x = 17,023,692.28

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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.