Home / 13,285,002.28-18,333,221.70-7,485,651.88

Finding the Fourth Proportional to 13,285,002.28, 18,333,221.70 and 7,485,651.88

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Solution

The fourth proportional to 13,285,002.28, 18,333,221.70 and 7,485,651.88 is: 10,330,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,002.28 : 18,333,221.70 = 7,485,651.88 : x
  2. Step 2: Convert to fraction form
    13,285,002.28/18,333,221.70 = 7,485,651.88/x
  3. Step 3: Cross multiply
    13,285,002.28x = 18,333,221.70 × 7,485,651.88
  4. Step 4: Simplify right side
    13,285,002.28x = 137,236,115,485,061.78
  5. Step 5: Solve for x
    x = 137,236,115,485,061.78/13,285,002.28
  6. Step 6: Final answer
    x = 10,330,153.70

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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.