Home / 51,282,015.58-70,766,378.42-28,072,653.04

Finding the Fourth Proportional to 51,282,015.58, 70,766,378.42 and 28,072,653.04

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Solution

The fourth proportional to 51,282,015.58, 70,766,378.42 and 28,072,653.04 is: 38,738,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,282,015.58 : 70,766,378.42 = 28,072,653.04 : x
  2. Step 2: Convert to fraction form
    51,282,015.58/70,766,378.42 = 28,072,653.04/x
  3. Step 3: Cross multiply
    51,282,015.58x = 70,766,378.42 × 28,072,653.04
  4. Step 4: Simplify right side
    51,282,015.58x = 1,986,599,988,282,003.50
  5. Step 5: Solve for x
    x = 1,986,599,988,282,003.50/51,282,015.58
  6. Step 6: Final answer
    x = 38,738,726.74

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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.