Home / 10,628,228.21-15,944,872.01-3,439,762.11

Finding the Fourth Proportional to 10,628,228.21, 15,944,872.01 and 3,439,762.11

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Solution

The fourth proportional to 10,628,228.21, 15,944,872.01 and 3,439,762.11 is: 5,160,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,228.21 : 15,944,872.01 = 3,439,762.11 : x
  2. Step 2: Convert to fraction form
    10,628,228.21/15,944,872.01 = 3,439,762.11/x
  3. Step 3: Cross multiply
    10,628,228.21x = 15,944,872.01 × 3,439,762.11
  4. Step 4: Simplify right side
    10,628,228.21x = 54,846,566,590,947.39
  5. Step 5: Solve for x
    x = 54,846,566,590,947.39/10,628,228.21
  6. Step 6: Final answer
    x = 5,160,461.89

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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.