Home / 13,674,644.07-20,512,000.85-5,587,619.72

Finding the Fourth Proportional to 13,674,644.07, 20,512,000.85 and 5,587,619.72

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Solution

The fourth proportional to 13,674,644.07, 20,512,000.85 and 5,587,619.72 is: 8,381,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,644.07 : 20,512,000.85 = 5,587,619.72 : x
  2. Step 2: Convert to fraction form
    13,674,644.07/20,512,000.85 = 5,587,619.72/x
  3. Step 3: Cross multiply
    13,674,644.07x = 20,512,000.85 × 5,587,619.72
  4. Step 4: Simplify right side
    13,674,644.07x = 114,613,260,315,618.66
  5. Step 5: Solve for x
    x = 114,613,260,315,618.66/13,674,644.07
  6. Step 6: Final answer
    x = 8,381,443.77

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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.