Home / 17,637,632.70-26,456,449.05-12,561,459.90

Finding the Fourth Proportional to 17,637,632.70, 26,456,449.05 and 12,561,459.90

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Solution

The fourth proportional to 17,637,632.70, 26,456,449.05 and 12,561,459.90 is: 18,842,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,637,632.70 : 26,456,449.05 = 12,561,459.90 : x
  2. Step 2: Convert to fraction form
    17,637,632.70/26,456,449.05 = 12,561,459.90/x
  3. Step 3: Cross multiply
    17,637,632.70x = 26,456,449.05 × 12,561,459.90
  4. Step 4: Simplify right side
    17,637,632.70x = 332,331,623,837,968.12
  5. Step 5: Solve for x
    x = 332,331,623,837,968.12/17,637,632.70
  6. Step 6: Final answer
    x = 18,842,189.85

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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.