Home / 7,751,125.84-11,619,962.70-3,909,741.59

Finding the Fourth Proportional to 7,751,125.84, 11,619,962.70 and 3,909,741.59

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Solution

The fourth proportional to 7,751,125.84, 11,619,962.70 and 3,909,741.59 is: 5,861,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751,125.84 : 11,619,962.70 = 3,909,741.59 : x
  2. Step 2: Convert to fraction form
    7,751,125.84/11,619,962.70 = 3,909,741.59/x
  3. Step 3: Cross multiply
    7,751,125.84x = 11,619,962.70 × 3,909,741.59
  4. Step 4: Simplify right side
    7,751,125.84x = 45,431,051,457,132.41
  5. Step 5: Solve for x
    x = 45,431,051,457,132.41/7,751,125.84
  6. Step 6: Final answer
    x = 5,861,219.70

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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.