Home / 7,149,542.59-9,871,119.36-5,492,738.36

Finding the Fourth Proportional to 7,149,542.59, 9,871,119.36 and 5,492,738.36

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Solution

The fourth proportional to 7,149,542.59, 9,871,119.36 and 5,492,738.36 is: 7,583,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,542.59 : 9,871,119.36 = 5,492,738.36 : x
  2. Step 2: Convert to fraction form
    7,149,542.59/9,871,119.36 = 5,492,738.36/x
  3. Step 3: Cross multiply
    7,149,542.59x = 9,871,119.36 × 5,492,738.36
  4. Step 4: Simplify right side
    7,149,542.59x = 54,219,475,964,810.65
  5. Step 5: Solve for x
    x = 54,219,475,964,810.65/7,149,542.59
  6. Step 6: Final answer
    x = 7,583,628.64

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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.