Home / 51,480,045.72-71,043,047.46-28,275,713.28

Finding the Fourth Proportional to 51,480,045.72, 71,043,047.46 and 28,275,713.28

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Solution

The fourth proportional to 51,480,045.72, 71,043,047.46 and 28,275,713.28 is: 39,020,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480,045.72 : 71,043,047.46 = 28,275,713.28 : x
  2. Step 2: Convert to fraction form
    51,480,045.72/71,043,047.46 = 28,275,713.28/x
  3. Step 3: Cross multiply
    51,480,045.72x = 71,043,047.46 × 28,275,713.28
  4. Step 4: Simplify right side
    51,480,045.72x = 2,008,792,840,516,392.25
  5. Step 5: Solve for x
    x = 2,008,792,840,516,392.25/51,480,045.72
  6. Step 6: Final answer
    x = 39,020,805.29

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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.