Home / 7,581,991.20-11,374,980.96-2,724,788.40

Finding the Fourth Proportional to 7,581,991.20, 11,374,980.96 and 2,724,788.40

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Solution

The fourth proportional to 7,581,991.20, 11,374,980.96 and 2,724,788.40 is: 4,087,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581,991.20 : 11,374,980.96 = 2,724,788.40 : x
  2. Step 2: Convert to fraction form
    7,581,991.20/11,374,980.96 = 2,724,788.40/x
  3. Step 3: Cross multiply
    7,581,991.20x = 11,374,980.96 × 2,724,788.40
  4. Step 4: Simplify right side
    7,581,991.20x = 30,994,416,170,028.87
  5. Step 5: Solve for x
    x = 30,994,416,170,028.87/7,581,991.20
  6. Step 6: Final answer
    x = 4,087,899.25

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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.