Home / 40,882,613.66-61,292,488.80-21,165,603.82

Finding the Fourth Proportional to 40,882,613.66, 61,292,488.80 and 21,165,603.82

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Solution

The fourth proportional to 40,882,613.66, 61,292,488.80 and 21,165,603.82 is: 31,732,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,882,613.66 : 61,292,488.80 = 21,165,603.82 : x
  2. Step 2: Convert to fraction form
    40,882,613.66/61,292,488.80 = 21,165,603.82/x
  3. Step 3: Cross multiply
    40,882,613.66x = 61,292,488.80 × 21,165,603.82
  4. Step 4: Simplify right side
    40,882,613.66x = 1,297,292,535,082,587.25
  5. Step 5: Solve for x
    x = 1,297,292,535,082,587.25/40,882,613.66
  6. Step 6: Final answer
    x = 31,732,133.03

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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.