Home / 20,118,439.70-30,177,659.55-7,334,695.70

Finding the Fourth Proportional to 20,118,439.70, 30,177,659.55 and 7,334,695.70

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Solution

The fourth proportional to 20,118,439.70, 30,177,659.55 and 7,334,695.70 is: 11,002,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,439.70 : 30,177,659.55 = 7,334,695.70 : x
  2. Step 2: Convert to fraction form
    20,118,439.70/30,177,659.55 = 7,334,695.70/x
  3. Step 3: Cross multiply
    20,118,439.70x = 30,177,659.55 × 7,334,695.70
  4. Step 4: Simplify right side
    20,118,439.70x = 221,343,949,737,448.94
  5. Step 5: Solve for x
    x = 221,343,949,737,448.94/20,118,439.70
  6. Step 6: Final answer
    x = 11,002,043.55

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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.