Home / 13,513,244.58-18,648,519.84-7,401,279.42

Finding the Fourth Proportional to 13,513,244.58, 18,648,519.84 and 7,401,279.42

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Solution

The fourth proportional to 13,513,244.58, 18,648,519.84 and 7,401,279.42 is: 10,213,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,244.58 : 18,648,519.84 = 7,401,279.42 : x
  2. Step 2: Convert to fraction form
    13,513,244.58/18,648,519.84 = 7,401,279.42/x
  3. Step 3: Cross multiply
    13,513,244.58x = 18,648,519.84 × 7,401,279.42
  4. Step 4: Simplify right side
    13,513,244.58x = 138,022,906,105,253.69
  5. Step 5: Solve for x
    x = 138,022,906,105,253.69/13,513,244.58
  6. Step 6: Final answer
    x = 10,213,898.32

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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.