Home / 21,323,285.40-31,984,928.10-17,496,910.20

Finding the Fourth Proportional to 21,323,285.40, 31,984,928.10 and 17,496,910.20

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Solution

The fourth proportional to 21,323,285.40, 31,984,928.10 and 17,496,910.20 is: 26,245,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,285.40 : 31,984,928.10 = 17,496,910.20 : x
  2. Step 2: Convert to fraction form
    21,323,285.40/31,984,928.10 = 17,496,910.20/x
  3. Step 3: Cross multiply
    21,323,285.40x = 31,984,928.10 × 17,496,910.20
  4. Step 4: Simplify right side
    21,323,285.40x = 559,637,414,719,156.62
  5. Step 5: Solve for x
    x = 559,637,414,719,156.62/21,323,285.40
  6. Step 6: Final answer
    x = 26,245,365.30

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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.