Home / 14,021,645.40-21,032,468.10-11,628,192.60

Finding the Fourth Proportional to 14,021,645.40, 21,032,468.10 and 11,628,192.60

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Solution

The fourth proportional to 14,021,645.40, 21,032,468.10 and 11,628,192.60 is: 17,442,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,645.40 : 21,032,468.10 = 11,628,192.60 : x
  2. Step 2: Convert to fraction form
    14,021,645.40/21,032,468.10 = 11,628,192.60/x
  3. Step 3: Cross multiply
    14,021,645.40x = 21,032,468.10 × 11,628,192.60
  4. Step 4: Simplify right side
    14,021,645.40x = 244,569,589,920,156.06
  5. Step 5: Solve for x
    x = 244,569,589,920,156.06/14,021,645.40
  6. Step 6: Final answer
    x = 17,442,288.90

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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.