Home / 12,521,174.40-18,804,571.20-10,953,532.80

Finding the Fourth Proportional to 12,521,174.40, 18,804,571.20 and 10,953,532.80

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Solution

The fourth proportional to 12,521,174.40, 18,804,571.20 and 10,953,532.80 is: 16,450,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521,174.40 : 18,804,571.20 = 10,953,532.80 : x
  2. Step 2: Convert to fraction form
    12,521,174.40/18,804,571.20 = 10,953,532.80/x
  3. Step 3: Cross multiply
    12,521,174.40x = 18,804,571.20 × 10,953,532.80
  4. Step 4: Simplify right side
    12,521,174.40x = 205,976,487,429,135.38
  5. Step 5: Solve for x
    x = 205,976,487,429,135.38/12,521,174.40
  6. Step 6: Final answer
    x = 16,450,253.06

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1.5x scale

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.