Home / 18,928,244.20-28,392,366.30-9,345,101.80

Finding the Fourth Proportional to 18,928,244.20, 28,392,366.30 and 9,345,101.80

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Solution

The fourth proportional to 18,928,244.20, 28,392,366.30 and 9,345,101.80 is: 14,017,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928,244.20 : 28,392,366.30 = 9,345,101.80 : x
  2. Step 2: Convert to fraction form
    18,928,244.20/28,392,366.30 = 9,345,101.80/x
  3. Step 3: Cross multiply
    18,928,244.20x = 28,392,366.30 × 9,345,101.80
  4. Step 4: Simplify right side
    18,928,244.20x = 265,329,553,416,389.38
  5. Step 5: Solve for x
    x = 265,329,553,416,389.38/18,928,244.20
  6. Step 6: Final answer
    x = 14,017,652.70

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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.