Home / 15,113,990.91-22,637,755.69-12,490,563.79

Finding the Fourth Proportional to 15,113,990.91, 22,637,755.69 and 12,490,563.79

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Solution

The fourth proportional to 15,113,990.91, 22,637,755.69 and 12,490,563.79 is: 18,708,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113,990.91 : 22,637,755.69 = 12,490,563.79 : x
  2. Step 2: Convert to fraction form
    15,113,990.91/22,637,755.69 = 12,490,563.79/x
  3. Step 3: Cross multiply
    15,113,990.91x = 22,637,755.69 × 12,490,563.79
  4. Step 4: Simplify right side
    15,113,990.91x = 282,758,331,505,451.25
  5. Step 5: Solve for x
    x = 282,758,331,505,451.25/15,113,990.91
  6. Step 6: Final answer
    x = 18,708,383.06

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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.