Home / 12,967,795.70-17,895,074-7,462,020.78

Finding the Fourth Proportional to 12,967,795.70, 17,895,074 and 7,462,020.78

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Solution

The fourth proportional to 12,967,795.70, 17,895,074 and 7,462,020.78 is: 10,297,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967,795.70 : 17,895,074 = 7,462,020.78 : x
  2. Step 2: Convert to fraction form
    12,967,795.70/17,895,074 = 7,462,020.78/x
  3. Step 3: Cross multiply
    12,967,795.70x = 17,895,074 × 7,462,020.78
  4. Step 4: Simplify right side
    12,967,795.70x = 133,533,414,047,637.72
  5. Step 5: Solve for x
    x = 133,533,414,047,637.72/12,967,795.70
  6. Step 6: Final answer
    x = 10,297,310.13

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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.