Home / 21,916,145.40-32,874,218.10-18,355,490.70

Finding the Fourth Proportional to 21,916,145.40, 32,874,218.10 and 18,355,490.70

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Solution

The fourth proportional to 21,916,145.40, 32,874,218.10 and 18,355,490.70 is: 27,533,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,916,145.40 : 32,874,218.10 = 18,355,490.70 : x
  2. Step 2: Convert to fraction form
    21,916,145.40/32,874,218.10 = 18,355,490.70/x
  3. Step 3: Cross multiply
    21,916,145.40x = 32,874,218.10 × 18,355,490.70
  4. Step 4: Simplify right side
    21,916,145.40x = 603,422,404,604,321.62
  5. Step 5: Solve for x
    x = 603,422,404,604,321.62/21,916,145.40
  6. Step 6: Final answer
    x = 27,533,236.05

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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.