Home / 20,219,819.70-30,329,729.55-6,572,939.70

Finding the Fourth Proportional to 20,219,819.70, 30,329,729.55 and 6,572,939.70

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Solution

The fourth proportional to 20,219,819.70, 30,329,729.55 and 6,572,939.70 is: 9,859,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,819.70 : 30,329,729.55 = 6,572,939.70 : x
  2. Step 2: Convert to fraction form
    20,219,819.70/30,329,729.55 = 6,572,939.70/x
  3. Step 3: Cross multiply
    20,219,819.70x = 30,329,729.55 × 6,572,939.70
  4. Step 4: Simplify right side
    20,219,819.70x = 199,355,483,449,458.16
  5. Step 5: Solve for x
    x = 199,355,483,449,458.16/20,219,819.70
  6. Step 6: Final answer
    x = 9,859,409.55

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1.5x scale

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.