Home / 13,971,555.40-20,915,342.70-8,288,854.60

Finding the Fourth Proportional to 13,971,555.40, 20,915,342.70 and 8,288,854.60

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Solution

The fourth proportional to 13,971,555.40, 20,915,342.70 and 8,288,854.60 is: 12,408,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,555.40 : 20,915,342.70 = 8,288,854.60 : x
  2. Step 2: Convert to fraction form
    13,971,555.40/20,915,342.70 = 8,288,854.60/x
  3. Step 3: Cross multiply
    13,971,555.40x = 20,915,342.70 × 8,288,854.60
  4. Step 4: Simplify right side
    13,971,555.40x = 173,364,234,549,471.41
  5. Step 5: Solve for x
    x = 173,364,234,549,471.41/13,971,555.40
  6. Step 6: Final answer
    x = 12,408,370.41

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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.