Home / 15,019,334.22-20,727,088.77-8,493,939.48

Finding the Fourth Proportional to 15,019,334.22, 20,727,088.77 and 8,493,939.48

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Solution

The fourth proportional to 15,019,334.22, 20,727,088.77 and 8,493,939.48 is: 11,721,866.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,334.22 : 20,727,088.77 = 8,493,939.48 : x
  2. Step 2: Convert to fraction form
    15,019,334.22/20,727,088.77 = 8,493,939.48/x
  3. Step 3: Cross multiply
    15,019,334.22x = 20,727,088.77 × 8,493,939.48
  4. Step 4: Simplify right side
    15,019,334.22x = 176,054,637,608,967.66
  5. Step 5: Solve for x
    x = 176,054,637,608,967.66/15,019,334.22
  6. Step 6: Final answer
    x = 11,721,866.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.