Home / 18,988,501.80-28,483,530.30-5,525,329.80

Finding the Fourth Proportional to 18,988,501.80, 28,483,530.30 and 5,525,329.80

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Solution

The fourth proportional to 18,988,501.80, 28,483,530.30 and 5,525,329.80 is: 8,288,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988,501.80 : 28,483,530.30 = 5,525,329.80 : x
  2. Step 2: Convert to fraction form
    18,988,501.80/28,483,530.30 = 5,525,329.80/x
  3. Step 3: Cross multiply
    18,988,501.80x = 28,483,530.30 × 5,525,329.80
  4. Step 4: Simplify right side
    18,988,501.80x = 157,380,898,775,792.94
  5. Step 5: Solve for x
    x = 157,380,898,775,792.94/18,988,501.80
  6. Step 6: Final answer
    x = 8,288,220.97

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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.