Home / 12,160,667.43-18,241,212.56-4,480,359.01

Finding the Fourth Proportional to 12,160,667.43, 18,241,212.56 and 4,480,359.01

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Solution

The fourth proportional to 12,160,667.43, 18,241,212.56 and 4,480,359.01 is: 6,720,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160,667.43 : 18,241,212.56 = 4,480,359.01 : x
  2. Step 2: Convert to fraction form
    12,160,667.43/18,241,212.56 = 4,480,359.01/x
  3. Step 3: Cross multiply
    12,160,667.43x = 18,241,212.56 × 4,480,359.01
  4. Step 4: Simplify right side
    12,160,667.43x = 81,727,180,978,516.34
  5. Step 5: Solve for x
    x = 81,727,180,978,516.34/12,160,667.43
  6. Step 6: Final answer
    x = 6,720,616.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.