Home / 31,785,038.72-43,860,668.54-19,230,770.82

Finding the Fourth Proportional to 31,785,038.72, 43,860,668.54 and 19,230,770.82

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Solution

The fourth proportional to 31,785,038.72, 43,860,668.54 and 19,230,770.82 is: 26,536,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785,038.72 : 43,860,668.54 = 19,230,770.82 : x
  2. Step 2: Convert to fraction form
    31,785,038.72/43,860,668.54 = 19,230,770.82/x
  3. Step 3: Cross multiply
    31,785,038.72x = 43,860,668.54 × 19,230,770.82
  4. Step 4: Simplify right side
    31,785,038.72x = 843,474,464,935,317
  5. Step 5: Solve for x
    x = 843,474,464,935,317/31,785,038.72
  6. Step 6: Final answer
    x = 26,536,839.31

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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.