Home / 39,647,459.64-54,611,551.92-28,025,041.80

Finding the Fourth Proportional to 39,647,459.64, 54,611,551.92 and 28,025,041.80

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Solution

The fourth proportional to 39,647,459.64, 54,611,551.92 and 28,025,041.80 is: 38,602,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647,459.64 : 54,611,551.92 = 28,025,041.80 : x
  2. Step 2: Convert to fraction form
    39,647,459.64/54,611,551.92 = 28,025,041.80/x
  3. Step 3: Cross multiply
    39,647,459.64x = 54,611,551.92 × 28,025,041.80
  4. Step 4: Simplify right side
    39,647,459.64x = 1,530,491,025,320,870.25
  5. Step 5: Solve for x
    x = 1,530,491,025,320,870.25/39,647,459.64
  6. Step 6: Final answer
    x = 38,602,499.11

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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.