Home / 7,478,770.91-11,219,316.24-3,160,839.31

Finding the Fourth Proportional to 7,478,770.91, 11,219,316.24 and 3,160,839.31

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Solution

The fourth proportional to 7,478,770.91, 11,219,316.24 and 3,160,839.31 is: 4,741,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,770.91 : 11,219,316.24 = 3,160,839.31 : x
  2. Step 2: Convert to fraction form
    7,478,770.91/11,219,316.24 = 3,160,839.31/x
  3. Step 3: Cross multiply
    7,478,770.91x = 11,219,316.24 × 3,160,839.31
  4. Step 4: Simplify right side
    7,478,770.91x = 35,462,455,773,185.83
  5. Step 5: Solve for x
    x = 35,462,455,773,185.83/7,478,770.91
  6. Step 6: Final answer
    x = 4,741,749.18

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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.