Home / 31,144,991.40-46,720,986.30-9,579,421.80

Finding the Fourth Proportional to 31,144,991.40, 46,720,986.30 and 9,579,421.80

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Solution

The fourth proportional to 31,144,991.40, 46,720,986.30 and 9,579,421.80 is: 14,370,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144,991.40 : 46,720,986.30 = 9,579,421.80 : x
  2. Step 2: Convert to fraction form
    31,144,991.40/46,720,986.30 = 9,579,421.80/x
  3. Step 3: Cross multiply
    31,144,991.40x = 46,720,986.30 × 9,579,421.80
  4. Step 4: Simplify right side
    31,144,991.40x = 447,560,034,679,721.38
  5. Step 5: Solve for x
    x = 447,560,034,679,721.38/31,144,991.40
  6. Step 6: Final answer
    x = 14,370,208.97

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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.