Home / 18,724,428.90-28,039,404.15-14,945,292.90

Finding the Fourth Proportional to 18,724,428.90, 28,039,404.15 and 14,945,292.90

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Solution

The fourth proportional to 18,724,428.90, 28,039,404.15 and 14,945,292.90 is: 22,380,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,428.90 : 28,039,404.15 = 14,945,292.90 : x
  2. Step 2: Convert to fraction form
    18,724,428.90/28,039,404.15 = 14,945,292.90/x
  3. Step 3: Cross multiply
    18,724,428.90x = 28,039,404.15 × 14,945,292.90
  4. Step 4: Simplify right side
    18,724,428.90x = 419,057,107,763,225.50
  5. Step 5: Solve for x
    x = 419,057,107,763,225.50/18,724,428.90
  6. Step 6: Final answer
    x = 22,380,234.40

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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.