Home / 39,329,784.28-54,275,135.77-21,925,780.44

Finding the Fourth Proportional to 39,329,784.28, 54,275,135.77 and 21,925,780.44

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Solution

The fourth proportional to 39,329,784.28, 54,275,135.77 and 21,925,780.44 is: 30,257,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,329,784.28 : 54,275,135.77 = 21,925,780.44 : x
  2. Step 2: Convert to fraction form
    39,329,784.28/54,275,135.77 = 21,925,780.44/x
  3. Step 3: Cross multiply
    39,329,784.28x = 54,275,135.77 × 21,925,780.44
  4. Step 4: Simplify right side
    39,329,784.28x = 1,190,024,710,244,210.50
  5. Step 5: Solve for x
    x = 1,190,024,710,244,210.50/39,329,784.28
  6. Step 6: Final answer
    x = 30,257,595.66

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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.