Home / 9,725,942.25-13,421,841.99-5,315,756.70

Finding the Fourth Proportional to 9,725,942.25, 13,421,841.99 and 5,315,756.70

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Solution

The fourth proportional to 9,725,942.25, 13,421,841.99 and 5,315,756.70 is: 7,335,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725,942.25 : 13,421,841.99 = 5,315,756.70 : x
  2. Step 2: Convert to fraction form
    9,725,942.25/13,421,841.99 = 5,315,756.70/x
  3. Step 3: Cross multiply
    9,725,942.25x = 13,421,841.99 × 5,315,756.70
  4. Step 4: Simplify right side
    9,725,942.25x = 71,347,246,484,683.84
  5. Step 5: Solve for x
    x = 71,347,246,484,683.84/9,725,942.25
  6. Step 6: Final answer
    x = 7,335,767.03

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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.