Home / 20,261,632.70-30,392,449.05-6,078,208.70

Finding the Fourth Proportional to 20,261,632.70, 30,392,449.05 and 6,078,208.70

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Solution

The fourth proportional to 20,261,632.70, 30,392,449.05 and 6,078,208.70 is: 9,117,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,632.70 : 30,392,449.05 = 6,078,208.70 : x
  2. Step 2: Convert to fraction form
    20,261,632.70/30,392,449.05 = 6,078,208.70/x
  3. Step 3: Cross multiply
    20,261,632.70x = 30,392,449.05 × 6,078,208.70
  4. Step 4: Simplify right side
    20,261,632.70x = 184,731,648,230,016.75
  5. Step 5: Solve for x
    x = 184,731,648,230,016.75/20,261,632.70
  6. Step 6: Final answer
    x = 9,117,313.05

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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.