Home / 30,344,053.09-45,527,546.81-18,221,967.72

Finding the Fourth Proportional to 30,344,053.09, 45,527,546.81 and 18,221,967.72

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Solution

The fourth proportional to 30,344,053.09, 45,527,546.81 and 18,221,967.72 is: 27,339,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,053.09 : 45,527,546.81 = 18,221,967.72 : x
  2. Step 2: Convert to fraction form
    30,344,053.09/45,527,546.81 = 18,221,967.72/x
  3. Step 3: Cross multiply
    30,344,053.09x = 45,527,546.81 × 18,221,967.72
  4. Step 4: Simplify right side
    30,344,053.09x = 829,601,488,342,609
  5. Step 5: Solve for x
    x = 829,601,488,342,609/30,344,053.09
  6. Step 6: Final answer
    x = 27,339,837.76

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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.