Home / 30,162,381.20-45,243,571.80-9,967,623.20

Finding the Fourth Proportional to 30,162,381.20, 45,243,571.80 and 9,967,623.20

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Solution

The fourth proportional to 30,162,381.20, 45,243,571.80 and 9,967,623.20 is: 14,951,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162,381.20 : 45,243,571.80 = 9,967,623.20 : x
  2. Step 2: Convert to fraction form
    30,162,381.20/45,243,571.80 = 9,967,623.20/x
  3. Step 3: Cross multiply
    30,162,381.20x = 45,243,571.80 × 9,967,623.20
  4. Step 4: Simplify right side
    30,162,381.20x = 450,970,875,924,545.69
  5. Step 5: Solve for x
    x = 450,970,875,924,545.69/30,162,381.20
  6. Step 6: Final answer
    x = 14,951,434.80

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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.