Home / 20,159,253.20-30,238,879.80-7,375,509.20

Finding the Fourth Proportional to 20,159,253.20, 30,238,879.80 and 7,375,509.20

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Solution

The fourth proportional to 20,159,253.20, 30,238,879.80 and 7,375,509.20 is: 11,063,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,253.20 : 30,238,879.80 = 7,375,509.20 : x
  2. Step 2: Convert to fraction form
    20,159,253.20/30,238,879.80 = 7,375,509.20/x
  3. Step 3: Cross multiply
    20,159,253.20x = 30,238,879.80 × 7,375,509.20
  4. Step 4: Simplify right side
    20,159,253.20x = 223,027,136,162,594.16
  5. Step 5: Solve for x
    x = 223,027,136,162,594.16/20,159,253.20
  6. Step 6: Final answer
    x = 11,063,263.80

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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.