Home / 39,262,605.35-54,185,276.16-28,100,146.41

Finding the Fourth Proportional to 39,262,605.35, 54,185,276.16 and 28,100,146.41

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Solution

The fourth proportional to 39,262,605.35, 54,185,276.16 and 28,100,146.41 is: 38,780,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,262,605.35 : 54,185,276.16 = 28,100,146.41 : x
  2. Step 2: Convert to fraction form
    39,262,605.35/54,185,276.16 = 28,100,146.41/x
  3. Step 3: Cross multiply
    39,262,605.35x = 54,185,276.16 × 28,100,146.41
  4. Step 4: Simplify right side
    39,262,605.35x = 1,522,614,193,362,282.50
  5. Step 5: Solve for x
    x = 1,522,614,193,362,282.50/39,262,605.35
  6. Step 6: Final answer
    x = 38,780,263.82

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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.