Home / 8,635,238.85-12,956,903.09-4,255,990.82

Finding the Fourth Proportional to 8,635,238.85, 12,956,903.09 and 4,255,990.82

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Solution

The fourth proportional to 8,635,238.85, 12,956,903.09 and 4,255,990.82 is: 6,385,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,238.85 : 12,956,903.09 = 4,255,990.82 : x
  2. Step 2: Convert to fraction form
    8,635,238.85/12,956,903.09 = 4,255,990.82/x
  3. Step 3: Cross multiply
    8,635,238.85x = 12,956,903.09 × 4,255,990.82
  4. Step 4: Simplify right side
    8,635,238.85x = 55,144,460,609,093.46
  5. Step 5: Solve for x
    x = 55,144,460,609,093.46/8,635,238.85
  6. Step 6: Final answer
    x = 6,385,979.77

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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.