Home / 21,637,013.72-32,403,998.50-12,519,897.33

Finding the Fourth Proportional to 21,637,013.72, 32,403,998.50 and 12,519,897.33

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Solution

The fourth proportional to 21,637,013.72, 32,403,998.50 and 12,519,897.33 is: 18,750,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637,013.72 : 32,403,998.50 = 12,519,897.33 : x
  2. Step 2: Convert to fraction form
    21,637,013.72/32,403,998.50 = 12,519,897.33/x
  3. Step 3: Cross multiply
    21,637,013.72x = 32,403,998.50 × 12,519,897.33
  4. Step 4: Simplify right side
    21,637,013.72x = 405,694,734,270,174.25
  5. Step 5: Solve for x
    x = 405,694,734,270,174.25/21,637,013.72
  6. Step 6: Final answer
    x = 18,750,033.60

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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.