Home / 19,301,029.54-28,957,147.35-7,780,550.74

Finding the Fourth Proportional to 19,301,029.54, 28,957,147.35 and 7,780,550.74

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Solution

The fourth proportional to 19,301,029.54, 28,957,147.35 and 7,780,550.74 is: 11,673,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301,029.54 : 28,957,147.35 = 7,780,550.74 : x
  2. Step 2: Convert to fraction form
    19,301,029.54/28,957,147.35 = 7,780,550.74/x
  3. Step 3: Cross multiply
    19,301,029.54x = 28,957,147.35 × 7,780,550.74
  4. Step 4: Simplify right side
    19,301,029.54x = 225,302,554,242,331.56
  5. Step 5: Solve for x
    x = 225,302,554,242,331.56/19,301,029.54
  6. Step 6: Final answer
    x = 11,673,084.78

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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.