Home / 28,400,880.96-42,557,967.53-16,863,628.14

Finding the Fourth Proportional to 28,400,880.96, 42,557,967.53 and 16,863,628.14

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Solution

The fourth proportional to 28,400,880.96, 42,557,967.53 and 16,863,628.14 is: 25,269,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,880.96 : 42,557,967.53 = 16,863,628.14 : x
  2. Step 2: Convert to fraction form
    28,400,880.96/42,557,967.53 = 16,863,628.14/x
  3. Step 3: Cross multiply
    28,400,880.96x = 42,557,967.53 × 16,863,628.14
  4. Step 4: Simplify right side
    28,400,880.96x = 717,681,738,820,114.38
  5. Step 5: Solve for x
    x = 717,681,738,820,114.38/28,400,880.96
  6. Step 6: Final answer
    x = 25,269,699.90

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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.