Home / 18,927,632.48-28,391,448.69-4,550,700.78

Finding the Fourth Proportional to 18,927,632.48, 28,391,448.69 and 4,550,700.78

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Solution

The fourth proportional to 18,927,632.48, 28,391,448.69 and 4,550,700.78 is: 6,826,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,632.48 : 28,391,448.69 = 4,550,700.78 : x
  2. Step 2: Convert to fraction form
    18,927,632.48/28,391,448.69 = 4,550,700.78/x
  3. Step 3: Cross multiply
    18,927,632.48x = 28,391,448.69 × 4,550,700.78
  4. Step 4: Simplify right side
    18,927,632.48x = 129,200,987,698,912.98
  5. Step 5: Solve for x
    x = 129,200,987,698,912.98/18,927,632.48
  6. Step 6: Final answer
    x = 6,826,051.16

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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.