Home / 20,002,040.70-30,003,061.05-19,162,232.70

Finding the Fourth Proportional to 20,002,040.70, 30,003,061.05 and 19,162,232.70

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Solution

The fourth proportional to 20,002,040.70, 30,003,061.05 and 19,162,232.70 is: 28,743,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,040.70 : 30,003,061.05 = 19,162,232.70 : x
  2. Step 2: Convert to fraction form
    20,002,040.70/30,003,061.05 = 19,162,232.70/x
  3. Step 3: Cross multiply
    20,002,040.70x = 30,003,061.05 × 19,162,232.70
  4. Step 4: Simplify right side
    20,002,040.70x = 574,925,637,552,406.38
  5. Step 5: Solve for x
    x = 574,925,637,552,406.38/20,002,040.70
  6. Step 6: Final answer
    x = 28,743,349.05

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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.