Home / 12,128,001.33-18,192,002.05-12,128,001.33

Finding the Fourth Proportional to 12,128,001.33, 18,192,002.05 and 12,128,001.33

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Solution

The fourth proportional to 12,128,001.33, 18,192,002.05 and 12,128,001.33 is: 18,192,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,001.33 : 18,192,002.05 = 12,128,001.33 : x
  2. Step 2: Convert to fraction form
    12,128,001.33/18,192,002.05 = 12,128,001.33/x
  3. Step 3: Cross multiply
    12,128,001.33x = 18,192,002.05 × 12,128,001.33
  4. Step 4: Simplify right side
    12,128,001.33x = 220,632,624,936,482.69
  5. Step 5: Solve for x
    x = 220,632,624,936,482.69/12,128,001.33
  6. Step 6: Final answer
    x = 18,192,002.05

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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.