Home / 8,793,874.40-13,190,811.60-7,926,072.80

Finding the Fourth Proportional to 8,793,874.40, 13,190,811.60 and 7,926,072.80

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Solution

The fourth proportional to 8,793,874.40, 13,190,811.60 and 7,926,072.80 is: 11,889,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793,874.40 : 13,190,811.60 = 7,926,072.80 : x
  2. Step 2: Convert to fraction form
    8,793,874.40/13,190,811.60 = 7,926,072.80/x
  3. Step 3: Cross multiply
    8,793,874.40x = 13,190,811.60 × 7,926,072.80
  4. Step 4: Simplify right side
    8,793,874.40x = 104,551,333,032,684.47
  5. Step 5: Solve for x
    x = 104,551,333,032,684.47/8,793,874.40
  6. Step 6: Final answer
    x = 11,889,109.20

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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.