Home / 15,385,937.54-21,233,118.38-8,771,504.13

Finding the Fourth Proportional to 15,385,937.54, 21,233,118.38 and 8,771,504.13

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Solution

The fourth proportional to 15,385,937.54, 21,233,118.38 and 8,771,504.13 is: 12,104,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385,937.54 : 21,233,118.38 = 8,771,504.13 : x
  2. Step 2: Convert to fraction form
    15,385,937.54/21,233,118.38 = 8,771,504.13/x
  3. Step 3: Cross multiply
    15,385,937.54x = 21,233,118.38 × 8,771,504.13
  4. Step 4: Simplify right side
    15,385,937.54x = 186,246,385,519,091.41
  5. Step 5: Solve for x
    x = 186,246,385,519,091.41/15,385,937.54
  6. Step 6: Final answer
    x = 12,104,974.76

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Double scale
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1.5x scale

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.