Home / 39,927,659.40-55,100,336.04-21,592,944.90

Finding the Fourth Proportional to 39,927,659.40, 55,100,336.04 and 21,592,944.90

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Solution

The fourth proportional to 39,927,659.40, 55,100,336.04 and 21,592,944.90 is: 29,798,353.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927,659.40 : 55,100,336.04 = 21,592,944.90 : x
  2. Step 2: Convert to fraction form
    39,927,659.40/55,100,336.04 = 21,592,944.90/x
  3. Step 3: Cross multiply
    39,927,659.40x = 55,100,336.04 × 21,592,944.90
  4. Step 4: Simplify right side
    39,927,659.40x = 1,189,778,520,083,204
  5. Step 5: Solve for x
    x = 1,189,778,520,083,204/39,927,659.40
  6. Step 6: Final answer
    x = 29,798,353.77

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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.