Home / 9,212,437.78-12,713,092.99-5,082,642.97

Finding the Fourth Proportional to 9,212,437.78, 12,713,092.99 and 5,082,642.97

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Solution

The fourth proportional to 9,212,437.78, 12,713,092.99 and 5,082,642.97 is: 7,014,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212,437.78 : 12,713,092.99 = 5,082,642.97 : x
  2. Step 2: Convert to fraction form
    9,212,437.78/12,713,092.99 = 5,082,642.97/x
  3. Step 3: Cross multiply
    9,212,437.78x = 12,713,092.99 × 5,082,642.97
  4. Step 4: Simplify right side
    9,212,437.78x = 64,616,112,712,579.78
  5. Step 5: Solve for x
    x = 64,616,112,712,579.78/9,212,437.78
  6. Step 6: Final answer
    x = 7,014,008.05

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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.