Home / 31,400,452.17-43,326,272.93-18,345,189.69

Finding the Fourth Proportional to 31,400,452.17, 43,326,272.93 and 18,345,189.69

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Solution

The fourth proportional to 31,400,452.17, 43,326,272.93 and 18,345,189.69 is: 25,312,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400,452.17 : 43,326,272.93 = 18,345,189.69 : x
  2. Step 2: Convert to fraction form
    31,400,452.17/43,326,272.93 = 18,345,189.69/x
  3. Step 3: Cross multiply
    31,400,452.17x = 43,326,272.93 × 18,345,189.69
  4. Step 4: Simplify right side
    31,400,452.17x = 794,828,695,369,836.12
  5. Step 5: Solve for x
    x = 794,828,695,369,836.12/31,400,452.17
  6. Step 6: Final answer
    x = 25,312,651.27

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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.