Home / 11,207,728.80-16,811,593.20-7,381,353.60

Finding the Fourth Proportional to 11,207,728.80, 16,811,593.20 and 7,381,353.60

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Solution

The fourth proportional to 11,207,728.80, 16,811,593.20 and 7,381,353.60 is: 11,072,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207,728.80 : 16,811,593.20 = 7,381,353.60 : x
  2. Step 2: Convert to fraction form
    11,207,728.80/16,811,593.20 = 7,381,353.60/x
  3. Step 3: Cross multiply
    11,207,728.80x = 16,811,593.20 × 7,381,353.60
  4. Step 4: Simplify right side
    11,207,728.80x = 124,092,313,988,555.52
  5. Step 5: Solve for x
    x = 124,092,313,988,555.52/11,207,728.80
  6. Step 6: Final answer
    x = 11,072,030.40

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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.