Home / 18,928,977.20-28,386,467.40-6,149,898.80

Finding the Fourth Proportional to 18,928,977.20, 28,386,467.40 and 6,149,898.80

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Solution

The fourth proportional to 18,928,977.20, 28,386,467.40 and 6,149,898.80 is: 9,222,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928,977.20 : 28,386,467.40 = 6,149,898.80 : x
  2. Step 2: Convert to fraction form
    18,928,977.20/28,386,467.40 = 6,149,898.80/x
  3. Step 3: Cross multiply
    18,928,977.20x = 28,386,467.40 × 6,149,898.80
  4. Step 4: Simplify right side
    18,928,977.20x = 174,573,901,799,499.09
  5. Step 5: Solve for x
    x = 174,573,901,799,499.09/18,928,977.20
  6. Step 6: Final answer
    x = 9,222,574.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.