Home / 20,127,416.70-30,191,125.05-6,664,244.70

Finding the Fourth Proportional to 20,127,416.70, 30,191,125.05 and 6,664,244.70

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Solution

The fourth proportional to 20,127,416.70, 30,191,125.05 and 6,664,244.70 is: 9,996,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127,416.70 : 30,191,125.05 = 6,664,244.70 : x
  2. Step 2: Convert to fraction form
    20,127,416.70/30,191,125.05 = 6,664,244.70/x
  3. Step 3: Cross multiply
    20,127,416.70x = 30,191,125.05 × 6,664,244.70
  4. Step 4: Simplify right side
    20,127,416.70x = 201,201,045,101,499.75
  5. Step 5: Solve for x
    x = 201,201,045,101,499.75/20,127,416.70
  6. Step 6: Final answer
    x = 9,996,367.05

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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.