Home / 8,778,811.40-13,196,210.70-8,274,926.60

Finding the Fourth Proportional to 8,778,811.40, 13,196,210.70 and 8,274,926.60

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Solution

The fourth proportional to 8,778,811.40, 13,196,210.70 and 8,274,926.60 is: 12,438,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,811.40 : 13,196,210.70 = 8,274,926.60 : x
  2. Step 2: Convert to fraction form
    8,778,811.40/13,196,210.70 = 8,274,926.60/x
  3. Step 3: Cross multiply
    8,778,811.40x = 13,196,210.70 × 8,274,926.60
  4. Step 4: Simplify right side
    8,778,811.40x = 109,197,674,940,634.61
  5. Step 5: Solve for x
    x = 109,197,674,940,634.61/8,778,811.40
  6. Step 6: Final answer
    x = 12,438,776.73

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1.5x scale

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.