Home / 18,724,427.40-28,039,401.90-14,945,291.40

Finding the Fourth Proportional to 18,724,427.40, 28,039,401.90 and 14,945,291.40

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Solution

The fourth proportional to 18,724,427.40, 28,039,401.90 and 14,945,291.40 is: 22,380,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,427.40 : 28,039,401.90 = 14,945,291.40 : x
  2. Step 2: Convert to fraction form
    18,724,427.40/28,039,401.90 = 14,945,291.40/x
  3. Step 3: Cross multiply
    18,724,427.40x = 28,039,401.90 × 14,945,291.40
  4. Step 4: Simplify right side
    18,724,427.40x = 419,057,032,077,213.62
  5. Step 5: Solve for x
    x = 419,057,032,077,213.62/18,724,427.40
  6. Step 6: Final answer
    x = 22,380,232.15

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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.