Home / 31,915,250.80-47,872,876.20-8,886,140.80

Finding the Fourth Proportional to 31,915,250.80, 47,872,876.20 and 8,886,140.80

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Solution

The fourth proportional to 31,915,250.80, 47,872,876.20 and 8,886,140.80 is: 13,329,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915,250.80 : 47,872,876.20 = 8,886,140.80 : x
  2. Step 2: Convert to fraction form
    31,915,250.80/47,872,876.20 = 8,886,140.80/x
  3. Step 3: Cross multiply
    31,915,250.80x = 47,872,876.20 × 8,886,140.80
  4. Step 4: Simplify right side
    31,915,250.80x = 425,405,118,414,169
  5. Step 5: Solve for x
    x = 425,405,118,414,169/31,915,250.80
  6. Step 6: Final answer
    x = 13,329,211.20

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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.