Home / 20,158,548.20-30,244,820.70-8,802,477.80

Finding the Fourth Proportional to 20,158,548.20, 30,244,820.70 and 8,802,477.80

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Solution

The fourth proportional to 20,158,548.20, 30,244,820.70 and 8,802,477.80 is: 13,206,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,548.20 : 30,244,820.70 = 8,802,477.80 : x
  2. Step 2: Convert to fraction form
    20,158,548.20/30,244,820.70 = 8,802,477.80/x
  3. Step 3: Cross multiply
    20,158,548.20x = 30,244,820.70 × 8,802,477.80
  4. Step 4: Simplify right side
    20,158,548.20x = 266,229,362,776,730.47
  5. Step 5: Solve for x
    x = 266,229,362,776,730.47/20,158,548.20
  6. Step 6: Final answer
    x = 13,206,772.64

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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.