Home / 9,451,138.50-13,042,636.74-5,376,757.50

Finding the Fourth Proportional to 9,451,138.50, 13,042,636.74 and 5,376,757.50

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Solution

The fourth proportional to 9,451,138.50, 13,042,636.74 and 5,376,757.50 is: 7,419,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451,138.50 : 13,042,636.74 = 5,376,757.50 : x
  2. Step 2: Convert to fraction form
    9,451,138.50/13,042,636.74 = 5,376,757.50/x
  3. Step 3: Cross multiply
    9,451,138.50x = 13,042,636.74 × 5,376,757.50
  4. Step 4: Simplify right side
    9,451,138.50x = 70,127,094,911,570.55
  5. Step 5: Solve for x
    x = 70,127,094,911,570.55/9,451,138.50
  6. Step 6: Final answer
    x = 7,419,962.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.