Home / 20,483,674.80-30,725,512.20-5,337,606.30

Finding the Fourth Proportional to 20,483,674.80, 30,725,512.20 and 5,337,606.30

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Solution

The fourth proportional to 20,483,674.80, 30,725,512.20 and 5,337,606.30 is: 8,006,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,674.80 : 30,725,512.20 = 5,337,606.30 : x
  2. Step 2: Convert to fraction form
    20,483,674.80/30,725,512.20 = 5,337,606.30/x
  3. Step 3: Cross multiply
    20,483,674.80x = 30,725,512.20 × 5,337,606.30
  4. Step 4: Simplify right side
    20,483,674.80x = 164,000,687,489,446.84
  5. Step 5: Solve for x
    x = 164,000,687,489,446.84/20,483,674.80
  6. Step 6: Final answer
    x = 8,006,409.45

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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.