Home / 20,749,667.04-28,629,497.52-12,163,304.16

Finding the Fourth Proportional to 20,749,667.04, 28,629,497.52 and 12,163,304.16

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Solution

The fourth proportional to 20,749,667.04, 28,629,497.52 and 12,163,304.16 is: 16,782,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749,667.04 : 28,629,497.52 = 12,163,304.16 : x
  2. Step 2: Convert to fraction form
    20,749,667.04/28,629,497.52 = 12,163,304.16/x
  3. Step 3: Cross multiply
    20,749,667.04x = 28,629,497.52 × 12,163,304.16
  4. Step 4: Simplify right side
    20,749,667.04x = 348,229,286,283,725.69
  5. Step 5: Solve for x
    x = 348,229,286,283,725.69/20,749,667.04
  6. Step 6: Final answer
    x = 16,782,403.57

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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.