Home / 28,205,240.60-42,321,857.70-16,084,011.80

Finding the Fourth Proportional to 28,205,240.60, 42,321,857.70 and 16,084,011.80

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Solution

The fourth proportional to 28,205,240.60, 42,321,857.70 and 16,084,011.80 is: 24,133,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205,240.60 : 42,321,857.70 = 16,084,011.80 : x
  2. Step 2: Convert to fraction form
    28,205,240.60/42,321,857.70 = 16,084,011.80/x
  3. Step 3: Cross multiply
    28,205,240.60x = 42,321,857.70 × 16,084,011.80
  4. Step 4: Simplify right side
    28,205,240.60x = 680,705,258,644,721
  5. Step 5: Solve for x
    x = 680,705,258,644,721/28,205,240.60
  6. Step 6: Final answer
    x = 24,133,999.36

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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.