Home / 13,901,819.20-19,184,325.24-7,790,367.04

Finding the Fourth Proportional to 13,901,819.20, 19,184,325.24 and 7,790,367.04

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Solution

The fourth proportional to 13,901,819.20, 19,184,325.24 and 7,790,367.04 is: 10,750,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901,819.20 : 19,184,325.24 = 7,790,367.04 : x
  2. Step 2: Convert to fraction form
    13,901,819.20/19,184,325.24 = 7,790,367.04/x
  3. Step 3: Cross multiply
    13,901,819.20x = 19,184,325.24 × 7,790,367.04
  4. Step 4: Simplify right side
    13,901,819.20x = 149,452,935,034,336.06
  5. Step 5: Solve for x
    x = 149,452,935,034,336.06/13,901,819.20
  6. Step 6: Final answer
    x = 10,750,602.70

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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.