Home / 12,654,213-18,984,556.26-3,678,765

Finding the Fourth Proportional to 12,654,213, 18,984,556.26 and 3,678,765

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Solution

The fourth proportional to 12,654,213, 18,984,556.26 and 3,678,765 is: 5,519,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,213 : 18,984,556.26 = 3,678,765 : x
  2. Step 2: Convert to fraction form
    12,654,213/18,984,556.26 = 3,678,765/x
  3. Step 3: Cross multiply
    12,654,213x = 18,984,556.26 × 3,678,765
  4. Step 4: Simplify right side
    12,654,213x = 69,839,721,109,818.91
  5. Step 5: Solve for x
    x = 69,839,721,109,818.91/12,654,213
  6. Step 6: Final answer
    x = 5,519,088.47

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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.