Home / 28,400,880.46-42,557,966.78-16,863,627.64

Finding the Fourth Proportional to 28,400,880.46, 42,557,966.78 and 16,863,627.64

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Solution

The fourth proportional to 28,400,880.46, 42,557,966.78 and 16,863,627.64 is: 25,269,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,880.46 : 42,557,966.78 = 16,863,627.64 : x
  2. Step 2: Convert to fraction form
    28,400,880.46/42,557,966.78 = 16,863,627.64/x
  3. Step 3: Cross multiply
    28,400,880.46x = 42,557,966.78 × 16,863,627.64
  4. Step 4: Simplify right side
    28,400,880.46x = 717,681,704,893,409.88
  5. Step 5: Solve for x
    x = 717,681,704,893,409.88/28,400,880.46
  6. Step 6: Final answer
    x = 25,269,699.15

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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.