Home / 28,387,997.40-42,581,996.10-16,406,736.60

Finding the Fourth Proportional to 28,387,997.40, 42,581,996.10 and 16,406,736.60

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Solution

The fourth proportional to 28,387,997.40, 42,581,996.10 and 16,406,736.60 is: 24,610,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387,997.40 : 42,581,996.10 = 16,406,736.60 : x
  2. Step 2: Convert to fraction form
    28,387,997.40/42,581,996.10 = 16,406,736.60/x
  3. Step 3: Cross multiply
    28,387,997.40x = 42,581,996.10 × 16,406,736.60
  4. Step 4: Simplify right side
    28,387,997.40x = 698,631,593,914,927.25
  5. Step 5: Solve for x
    x = 698,631,593,914,927.25/28,387,997.40
  6. Step 6: Final answer
    x = 24,610,104.90

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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.