Home / 28,387,998.40-42,581,997.60-16,406,737.60

Finding the Fourth Proportional to 28,387,998.40, 42,581,997.60 and 16,406,737.60

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Solution

The fourth proportional to 28,387,998.40, 42,581,997.60 and 16,406,737.60 is: 24,610,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387,998.40 : 42,581,997.60 = 16,406,737.60 : x
  2. Step 2: Convert to fraction form
    28,387,998.40/42,581,997.60 = 16,406,737.60/x
  3. Step 3: Cross multiply
    28,387,998.40x = 42,581,997.60 × 16,406,737.60
  4. Step 4: Simplify right side
    28,387,998.40x = 698,631,661,107,029.75
  5. Step 5: Solve for x
    x = 698,631,661,107,029.75/28,387,998.40
  6. Step 6: Final answer
    x = 24,610,106.40

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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.