Home / 8,086,626.78-12,129,905.61-2,102,977.50

Finding the Fourth Proportional to 8,086,626.78, 12,129,905.61 and 2,102,977.50

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Solution

The fourth proportional to 8,086,626.78, 12,129,905.61 and 2,102,977.50 is: 3,154,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,626.78 : 12,129,905.61 = 2,102,977.50 : x
  2. Step 2: Convert to fraction form
    8,086,626.78/12,129,905.61 = 2,102,977.50/x
  3. Step 3: Cross multiply
    8,086,626.78x = 12,129,905.61 × 2,102,977.50
  4. Step 4: Simplify right side
    8,086,626.78x = 25,508,918,574,953.77
  5. Step 5: Solve for x
    x = 25,508,918,574,953.77/8,086,626.78
  6. Step 6: Final answer
    x = 3,154,457.26

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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.