Home / 51,661,916.25-71,293,444.43-28,456,971.45

Finding the Fourth Proportional to 51,661,916.25, 71,293,444.43 and 28,456,971.45

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Solution

The fourth proportional to 51,661,916.25, 71,293,444.43 and 28,456,971.45 is: 39,270,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,661,916.25 : 71,293,444.43 = 28,456,971.45 : x
  2. Step 2: Convert to fraction form
    51,661,916.25/71,293,444.43 = 28,456,971.45/x
  3. Step 3: Cross multiply
    51,661,916.25x = 71,293,444.43 × 28,456,971.45
  4. Step 4: Simplify right side
    51,661,916.25x = 2,028,795,512,574,386.50
  5. Step 5: Solve for x
    x = 2,028,795,512,574,386.50/51,661,916.25
  6. Step 6: Final answer
    x = 39,270,620.60

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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.