Home / 8,118,521.34-12,178,501.20-2,134,889.34

Finding the Fourth Proportional to 8,118,521.34, 12,178,501.20 and 2,134,889.34

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Solution

The fourth proportional to 8,118,521.34, 12,178,501.20 and 2,134,889.34 is: 3,202,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,521.34 : 12,178,501.20 = 2,134,889.34 : x
  2. Step 2: Convert to fraction form
    8,118,521.34/12,178,501.20 = 2,134,889.34/x
  3. Step 3: Cross multiply
    8,118,521.34x = 12,178,501.20 × 2,134,889.34
  4. Step 4: Simplify right side
    8,118,521.34x = 25,999,752,389,057.20
  5. Step 5: Solve for x
    x = 25,999,752,389,057.20/8,118,521.34
  6. Step 6: Final answer
    x = 3,202,523.13

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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.