Home / 20,180,526.72-27,848,865.60-12,337,419.84

Finding the Fourth Proportional to 20,180,526.72, 27,848,865.60 and 12,337,419.84

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Solution

The fourth proportional to 20,180,526.72, 27,848,865.60 and 12,337,419.84 is: 17,025,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,526.72 : 27,848,865.60 = 12,337,419.84 : x
  2. Step 2: Convert to fraction form
    20,180,526.72/27,848,865.60 = 12,337,419.84/x
  3. Step 3: Cross multiply
    20,180,526.72x = 27,848,865.60 × 12,337,419.84
  4. Step 4: Simplify right side
    20,180,526.72x = 343,583,146,974,933.50
  5. Step 5: Solve for x
    x = 343,583,146,974,933.50/20,180,526.72
  6. Step 6: Final answer
    x = 17,025,479.65

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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.