Home / 7,971,459.12-11,959,086.81-2,580,110.46

Finding the Fourth Proportional to 7,971,459.12, 11,959,086.81 and 2,580,110.46

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Solution

The fourth proportional to 7,971,459.12, 11,959,086.81 and 2,580,110.46 is: 3,870,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,459.12 : 11,959,086.81 = 2,580,110.46 : x
  2. Step 2: Convert to fraction form
    7,971,459.12/11,959,086.81 = 2,580,110.46/x
  3. Step 3: Cross multiply
    7,971,459.12x = 11,959,086.81 × 2,580,110.46
  4. Step 4: Simplify right side
    7,971,459.12x = 30,855,764,970,529.04
  5. Step 5: Solve for x
    x = 30,855,764,970,529.04/7,971,459.12
  6. Step 6: Final answer
    x = 3,870,780.05

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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.