Home / 11,691,482.40-17,518,561.20-9,787,917.60

Finding the Fourth Proportional to 11,691,482.40, 17,518,561.20 and 9,787,917.60

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Solution

The fourth proportional to 11,691,482.40, 17,518,561.20 and 9,787,917.60 is: 14,666,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691,482.40 : 17,518,561.20 = 9,787,917.60 : x
  2. Step 2: Convert to fraction form
    11,691,482.40/17,518,561.20 = 9,787,917.60/x
  3. Step 3: Cross multiply
    11,691,482.40x = 17,518,561.20 × 9,787,917.60
  4. Step 4: Simplify right side
    11,691,482.40x = 171,470,233,496,157.09
  5. Step 5: Solve for x
    x = 171,470,233,496,157.09/11,691,482.40
  6. Step 6: Final answer
    x = 14,666,252.54

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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.