Home / 31,121,848.71-46,685,015.10-11,952,605.79

Finding the Fourth Proportional to 31,121,848.71, 46,685,015.10 and 11,952,605.79

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Solution

The fourth proportional to 31,121,848.71, 46,685,015.10 and 11,952,605.79 is: 17,929,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121,848.71 : 46,685,015.10 = 11,952,605.79 : x
  2. Step 2: Convert to fraction form
    31,121,848.71/46,685,015.10 = 11,952,605.79/x
  3. Step 3: Cross multiply
    31,121,848.71x = 46,685,015.10 × 11,952,605.79
  4. Step 4: Simplify right side
    31,121,848.71x = 558,007,581,790,497.38
  5. Step 5: Solve for x
    x = 558,007,581,790,497.38/31,121,848.71
  6. Step 6: Final answer
    x = 17,929,769.76

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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.