Home / 20,412,052.20-30,594,458.70-8,275,514.40

Finding the Fourth Proportional to 20,412,052.20, 30,594,458.70 and 8,275,514.40

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Solution

The fourth proportional to 20,412,052.20, 30,594,458.70 and 8,275,514.40 is: 12,403,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,052.20 : 30,594,458.70 = 8,275,514.40 : x
  2. Step 2: Convert to fraction form
    20,412,052.20/30,594,458.70 = 8,275,514.40/x
  3. Step 3: Cross multiply
    20,412,052.20x = 30,594,458.70 × 8,275,514.40
  4. Step 4: Simplify right side
    20,412,052.20x = 253,184,883,532,055.28
  5. Step 5: Solve for x
    x = 253,184,883,532,055.28/20,412,052.20
  6. Step 6: Final answer
    x = 12,403,695.67

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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.