Home / 13,150,642.96-18,148,447.75-7,349,424.53

Finding the Fourth Proportional to 13,150,642.96, 18,148,447.75 and 7,349,424.53

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Solution

The fourth proportional to 13,150,642.96, 18,148,447.75 and 7,349,424.53 is: 10,142,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,642.96 : 18,148,447.75 = 7,349,424.53 : x
  2. Step 2: Convert to fraction form
    13,150,642.96/18,148,447.75 = 7,349,424.53/x
  3. Step 3: Cross multiply
    13,150,642.96x = 18,148,447.75 × 7,349,424.53
  4. Step 4: Simplify right side
    13,150,642.96x = 133,380,647,075,273.31
  5. Step 5: Solve for x
    x = 133,380,647,075,273.31/13,150,642.96
  6. Step 6: Final answer
    x = 10,142,519.08

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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.