Home / 31,915,235.80-47,872,853.70-8,886,125.80

Finding the Fourth Proportional to 31,915,235.80, 47,872,853.70 and 8,886,125.80

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Solution

The fourth proportional to 31,915,235.80, 47,872,853.70 and 8,886,125.80 is: 13,329,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915,235.80 : 47,872,853.70 = 8,886,125.80 : x
  2. Step 2: Convert to fraction form
    31,915,235.80/47,872,853.70 = 8,886,125.80/x
  3. Step 3: Cross multiply
    31,915,235.80x = 47,872,853.70 × 8,886,125.80
  4. Step 4: Simplify right side
    31,915,235.80x = 425,404,200,383,195.50
  5. Step 5: Solve for x
    x = 425,404,200,383,195.50/31,915,235.80
  6. Step 6: Final answer
    x = 13,329,188.70

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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.