Home / 37,916,165.80-56,778,020.70-20,857,565.80

Finding the Fourth Proportional to 37,916,165.80, 56,778,020.70 and 20,857,565.80

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Solution

The fourth proportional to 37,916,165.80, 56,778,020.70 and 20,857,565.80 is: 31,233,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,916,165.80 : 56,778,020.70 = 20,857,565.80 : x
  2. Step 2: Convert to fraction form
    37,916,165.80/56,778,020.70 = 20,857,565.80/x
  3. Step 3: Cross multiply
    37,916,165.80x = 56,778,020.70 × 20,857,565.80
  4. Step 4: Simplify right side
    37,916,165.80x = 1,184,251,302,744,012.25
  5. Step 5: Solve for x
    x = 1,184,251,302,744,012.25/37,916,165.80
  6. Step 6: Final answer
    x = 31,233,413.97

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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.