Home / 18,519,392.55-25,558,331.76-10,262,045.09

Finding the Fourth Proportional to 18,519,392.55, 25,558,331.76 and 10,262,045.09

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Solution

The fourth proportional to 18,519,392.55, 25,558,331.76 and 10,262,045.09 is: 14,162,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,392.55 : 25,558,331.76 = 10,262,045.09 : x
  2. Step 2: Convert to fraction form
    18,519,392.55/25,558,331.76 = 10,262,045.09/x
  3. Step 3: Cross multiply
    18,519,392.55x = 25,558,331.76 × 10,262,045.09
  4. Step 4: Simplify right side
    18,519,392.55x = 262,280,752,818,507.44
  5. Step 5: Solve for x
    x = 262,280,752,818,507.44/18,519,392.55
  6. Step 6: Final answer
    x = 14,162,492.22

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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.