Home / 13,150,643.96-18,148,449.14-7,349,425.53

Finding the Fourth Proportional to 13,150,643.96, 18,148,449.14 and 7,349,425.53

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Solution

The fourth proportional to 13,150,643.96, 18,148,449.14 and 7,349,425.53 is: 10,142,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,643.96 : 18,148,449.14 = 7,349,425.53 : x
  2. Step 2: Convert to fraction form
    13,150,643.96/18,148,449.14 = 7,349,425.53/x
  3. Step 3: Cross multiply
    13,150,643.96x = 18,148,449.14 × 7,349,425.53
  4. Step 4: Simplify right side
    13,150,643.96x = 133,380,675,402,675.44
  5. Step 5: Solve for x
    x = 133,380,675,402,675.44/13,150,643.96
  6. Step 6: Final answer
    x = 10,142,520.46

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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.