Home / 8,538,219.70-11,782,707.96-4,617,980.20

Finding the Fourth Proportional to 8,538,219.70, 11,782,707.96 and 4,617,980.20

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Solution

The fourth proportional to 8,538,219.70, 11,782,707.96 and 4,617,980.20 is: 6,372,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,219.70 : 11,782,707.96 = 4,617,980.20 : x
  2. Step 2: Convert to fraction form
    8,538,219.70/11,782,707.96 = 4,617,980.20/x
  3. Step 3: Cross multiply
    8,538,219.70x = 11,782,707.96 × 4,617,980.20
  4. Step 4: Simplify right side
    8,538,219.70x = 54,412,312,061,662.40
  5. Step 5: Solve for x
    x = 54,412,312,061,662.40/8,538,219.70
  6. Step 6: Final answer
    x = 6,372,793.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.