Home / 10,867,391.80-16,301,087.70-9,784,972.60

Finding the Fourth Proportional to 10,867,391.80, 16,301,087.70 and 9,784,972.60

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Solution

The fourth proportional to 10,867,391.80, 16,301,087.70 and 9,784,972.60 is: 14,677,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,391.80 : 16,301,087.70 = 9,784,972.60 : x
  2. Step 2: Convert to fraction form
    10,867,391.80/16,301,087.70 = 9,784,972.60/x
  3. Step 3: Cross multiply
    10,867,391.80x = 16,301,087.70 × 9,784,972.60
  4. Step 4: Simplify right side
    10,867,391.80x = 159,505,696,494,697
  5. Step 5: Solve for x
    x = 159,505,696,494,697/10,867,391.80
  6. Step 6: Final answer
    x = 14,677,458.90

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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.