Home / 51,915,880.44-71,643,496.78-28,711,985.40

Finding the Fourth Proportional to 51,915,880.44, 71,643,496.78 and 28,711,985.40

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Solution

The fourth proportional to 51,915,880.44, 71,643,496.78 and 28,711,985.40 is: 39,622,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,915,880.44 : 71,643,496.78 = 28,711,985.40 : x
  2. Step 2: Convert to fraction form
    51,915,880.44/71,643,496.78 = 28,711,985.40/x
  3. Step 3: Cross multiply
    51,915,880.44x = 71,643,496.78 × 28,711,985.40
  4. Step 4: Simplify right side
    51,915,880.44x = 2,057,027,033,552,307
  5. Step 5: Solve for x
    x = 2,057,027,033,552,307/51,915,880.44
  6. Step 6: Final answer
    x = 39,622,308.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.