Home / 13,504,372.58-18,636,031.94-7,309,417.55

Finding the Fourth Proportional to 13,504,372.58, 18,636,031.94 and 7,309,417.55

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Solution

The fourth proportional to 13,504,372.58, 18,636,031.94 and 7,309,417.55 is: 10,086,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,372.58 : 18,636,031.94 = 7,309,417.55 : x
  2. Step 2: Convert to fraction form
    13,504,372.58/18,636,031.94 = 7,309,417.55/x
  3. Step 3: Cross multiply
    13,504,372.58x = 18,636,031.94 × 7,309,417.55
  4. Step 4: Simplify right side
    13,504,372.58x = 136,218,538,794,869.28
  5. Step 5: Solve for x
    x = 136,218,538,794,869.28/13,504,372.58
  6. Step 6: Final answer
    x = 10,086,995.01

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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.