Home / 12,508,052.70-18,762,079.05-8,526,740.70

Finding the Fourth Proportional to 12,508,052.70, 18,762,079.05 and 8,526,740.70

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Solution

The fourth proportional to 12,508,052.70, 18,762,079.05 and 8,526,740.70 is: 12,790,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508,052.70 : 18,762,079.05 = 8,526,740.70 : x
  2. Step 2: Convert to fraction form
    12,508,052.70/18,762,079.05 = 8,526,740.70/x
  3. Step 3: Cross multiply
    12,508,052.70x = 18,762,079.05 × 8,526,740.70
  4. Step 4: Simplify right side
    12,508,052.70x = 159,979,383,052,252.31
  5. Step 5: Solve for x
    x = 159,979,383,052,252.31/12,508,052.70
  6. Step 6: Final answer
    x = 12,790,111.05

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1.5x scale

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.