Home / 13,722,489.59-18,937,064.93-7,527,587.24

Finding the Fourth Proportional to 13,722,489.59, 18,937,064.93 and 7,527,587.24

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Solution

The fourth proportional to 13,722,489.59, 18,937,064.93 and 7,527,587.24 is: 10,388,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722,489.59 : 18,937,064.93 = 7,527,587.24 : x
  2. Step 2: Convert to fraction form
    13,722,489.59/18,937,064.93 = 7,527,587.24/x
  3. Step 3: Cross multiply
    13,722,489.59x = 18,937,064.93 × 7,527,587.24
  4. Step 4: Simplify right side
    13,722,489.59x = 142,550,408,339,824.22
  5. Step 5: Solve for x
    x = 142,550,408,339,824.22/13,722,489.59
  6. Step 6: Final answer
    x = 10,388,086.47

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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.