Home / 22,555,497.76-31,126,621.12-12,242,224.64

Finding the Fourth Proportional to 22,555,497.76, 31,126,621.12 and 12,242,224.64

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Solution

The fourth proportional to 22,555,497.76, 31,126,621.12 and 12,242,224.64 is: 16,894,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555,497.76 : 31,126,621.12 = 12,242,224.64 : x
  2. Step 2: Convert to fraction form
    22,555,497.76/31,126,621.12 = 12,242,224.64/x
  3. Step 3: Cross multiply
    22,555,497.76x = 31,126,621.12 × 12,242,224.64
  4. Step 4: Simplify right side
    22,555,497.76x = 381,059,088,035,208.44
  5. Step 5: Solve for x
    x = 381,059,088,035,208.44/22,555,497.76
  6. Step 6: Final answer
    x = 16,894,288.57

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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.