Home / 18,676,215.38-27,828,655.83-16,638,803.42

Finding the Fourth Proportional to 18,676,215.38, 27,828,655.83 and 16,638,803.42

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Solution

The fourth proportional to 18,676,215.38, 27,828,655.83 and 16,638,803.42 is: 24,792,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676,215.38 : 27,828,655.83 = 16,638,803.42 : x
  2. Step 2: Convert to fraction form
    18,676,215.38/27,828,655.83 = 16,638,803.42/x
  3. Step 3: Cross multiply
    18,676,215.38x = 27,828,655.83 × 16,638,803.42
  4. Step 4: Simplify right side
    18,676,215.38x = 463,035,533,659,063.62
  5. Step 5: Solve for x
    x = 463,035,533,659,063.62/18,676,215.38
  6. Step 6: Final answer
    x = 24,792,792.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.