Home / 30,207,949.20-45,311,923.80-10,013,191.20

Finding the Fourth Proportional to 30,207,949.20, 45,311,923.80 and 10,013,191.20

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Solution

The fourth proportional to 30,207,949.20, 45,311,923.80 and 10,013,191.20 is: 15,019,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207,949.20 : 45,311,923.80 = 10,013,191.20 : x
  2. Step 2: Convert to fraction form
    30,207,949.20/45,311,923.80 = 10,013,191.20/x
  3. Step 3: Cross multiply
    30,207,949.20x = 45,311,923.80 × 10,013,191.20
  4. Step 4: Simplify right side
    30,207,949.20x = 453,716,956,649,230.50
  5. Step 5: Solve for x
    x = 453,716,956,649,230.50/30,207,949.20
  6. Step 6: Final answer
    x = 15,019,786.80

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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.