Home / 31,783,382.80-47,675,074.20-7,848,854.80

Finding the Fourth Proportional to 31,783,382.80, 47,675,074.20 and 7,848,854.80

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Solution

The fourth proportional to 31,783,382.80, 47,675,074.20 and 7,848,854.80 is: 11,773,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783,382.80 : 47,675,074.20 = 7,848,854.80 : x
  2. Step 2: Convert to fraction form
    31,783,382.80/47,675,074.20 = 7,848,854.80/x
  3. Step 3: Cross multiply
    31,783,382.80x = 47,675,074.20 × 7,848,854.80
  4. Step 4: Simplify right side
    31,783,382.80x = 374,194,734,975,026.19
  5. Step 5: Solve for x
    x = 374,194,734,975,026.19/31,783,382.80
  6. Step 6: Final answer
    x = 11,773,282.20

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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.