Home / 18,152,440.20-27,228,660.30-15,955,817.40

Finding the Fourth Proportional to 18,152,440.20, 27,228,660.30 and 15,955,817.40

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Solution

The fourth proportional to 18,152,440.20, 27,228,660.30 and 15,955,817.40 is: 23,933,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,440.20 : 27,228,660.30 = 15,955,817.40 : x
  2. Step 2: Convert to fraction form
    18,152,440.20/27,228,660.30 = 15,955,817.40/x
  3. Step 3: Cross multiply
    18,152,440.20x = 27,228,660.30 × 15,955,817.40
  4. Step 4: Simplify right side
    18,152,440.20x = 434,455,531,793,429.25
  5. Step 5: Solve for x
    x = 434,455,531,793,429.25/18,152,440.20
  6. Step 6: Final answer
    x = 23,933,726.10

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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.