Home / 13,385,622.10-20,120,423.55-13,133,679.70

Finding the Fourth Proportional to 13,385,622.10, 20,120,423.55 and 13,133,679.70

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Solution

The fourth proportional to 13,385,622.10, 20,120,423.55 and 13,133,679.70 is: 19,741,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385,622.10 : 20,120,423.55 = 13,133,679.70 : x
  2. Step 2: Convert to fraction form
    13,385,622.10/20,120,423.55 = 13,133,679.70/x
  3. Step 3: Cross multiply
    13,385,622.10x = 20,120,423.55 × 13,133,679.70
  4. Step 4: Simplify right side
    13,385,622.10x = 264,255,198,334,036.94
  5. Step 5: Solve for x
    x = 264,255,198,334,036.94/13,385,622.10
  6. Step 6: Final answer
    x = 19,741,719.61

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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.