Home / 8,778,813.40-13,196,213.70-8,274,928.60

Finding the Fourth Proportional to 8,778,813.40, 13,196,213.70 and 8,274,928.60

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Solution

The fourth proportional to 8,778,813.40, 13,196,213.70 and 8,274,928.60 is: 12,438,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,813.40 : 13,196,213.70 = 8,274,928.60 : x
  2. Step 2: Convert to fraction form
    8,778,813.40/13,196,213.70 = 8,274,928.60/x
  3. Step 3: Cross multiply
    8,778,813.40x = 13,196,213.70 × 8,274,928.60
  4. Step 4: Simplify right side
    8,778,813.40x = 109,197,726,157,841.81
  5. Step 5: Solve for x
    x = 109,197,726,157,841.81/8,778,813.40
  6. Step 6: Final answer
    x = 12,438,779.73

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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.