Home / 12,087,284.74-18,131,637.17-3,450,721.50

Finding the Fourth Proportional to 12,087,284.74, 18,131,637.17 and 3,450,721.50

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Solution

The fourth proportional to 12,087,284.74, 18,131,637.17 and 3,450,721.50 is: 5,176,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087,284.74 : 18,131,637.17 = 3,450,721.50 : x
  2. Step 2: Convert to fraction form
    12,087,284.74/18,131,637.17 = 3,450,721.50/x
  3. Step 3: Cross multiply
    12,087,284.74x = 18,131,637.17 × 3,450,721.50
  4. Step 4: Simplify right side
    12,087,284.74x = 62,567,230,221,344.95
  5. Step 5: Solve for x
    x = 62,567,230,221,344.95/12,087,284.74
  6. Step 6: Final answer
    x = 5,176,284.96

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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.