Home / 20,147,953.10-30,225,616.05-8,181,898.70

Finding the Fourth Proportional to 20,147,953.10, 30,225,616.05 and 8,181,898.70

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Solution

The fourth proportional to 20,147,953.10, 30,225,616.05 and 8,181,898.70 is: 12,274,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,953.10 : 30,225,616.05 = 8,181,898.70 : x
  2. Step 2: Convert to fraction form
    20,147,953.10/30,225,616.05 = 8,181,898.70/x
  3. Step 3: Cross multiply
    20,147,953.10x = 30,225,616.05 × 8,181,898.70
  4. Step 4: Simplify right side
    20,147,953.10x = 247,302,928,666,194.16
  5. Step 5: Solve for x
    x = 247,302,928,666,194.16/20,147,953.10
  6. Step 6: Final answer
    x = 12,274,345.06

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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.