Home / 39,382,251.32-54,345,239.34-21,977,230.52

Finding the Fourth Proportional to 39,382,251.32, 54,345,239.34 and 21,977,230.52

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Solution

The fourth proportional to 39,382,251.32, 54,345,239.34 and 21,977,230.52 is: 30,327,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382,251.32 : 54,345,239.34 = 21,977,230.52 : x
  2. Step 2: Convert to fraction form
    39,382,251.32/54,345,239.34 = 21,977,230.52/x
  3. Step 3: Cross multiply
    39,382,251.32x = 54,345,239.34 × 21,977,230.52
  4. Step 4: Simplify right side
    39,382,251.32x = 1,194,357,852,639,752.75
  5. Step 5: Solve for x
    x = 1,194,357,852,639,752.75/39,382,251.32
  6. Step 6: Final answer
    x = 30,327,312.75

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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.