Home / 20,348,092.80-30,522,139.20-18,434,905.20

Finding the Fourth Proportional to 20,348,092.80, 30,522,139.20 and 18,434,905.20

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Solution

The fourth proportional to 20,348,092.80, 30,522,139.20 and 18,434,905.20 is: 27,652,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,092.80 : 30,522,139.20 = 18,434,905.20 : x
  2. Step 2: Convert to fraction form
    20,348,092.80/30,522,139.20 = 18,434,905.20/x
  3. Step 3: Cross multiply
    20,348,092.80x = 30,522,139.20 × 18,434,905.20
  4. Step 4: Simplify right side
    20,348,092.80x = 562,672,742,653,203.81
  5. Step 5: Solve for x
    x = 562,672,742,653,203.81/20,348,092.80
  6. Step 6: Final answer
    x = 27,652,357.80

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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.