Home / 22,147,219.40-33,220,829.10-12,421,849.10

Finding the Fourth Proportional to 22,147,219.40, 33,220,829.10 and 12,421,849.10

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Solution

The fourth proportional to 22,147,219.40, 33,220,829.10 and 12,421,849.10 is: 18,632,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,219.40 : 33,220,829.10 = 12,421,849.10 : x
  2. Step 2: Convert to fraction form
    22,147,219.40/33,220,829.10 = 12,421,849.10/x
  3. Step 3: Cross multiply
    22,147,219.40x = 33,220,829.10 × 12,421,849.10
  4. Step 4: Simplify right side
    22,147,219.40x = 412,664,126,057,088.81
  5. Step 5: Solve for x
    x = 412,664,126,057,088.81/22,147,219.40
  6. Step 6: Final answer
    x = 18,632,773.65

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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.