Home / 8,293,857.40-12,439,901.70-2,902,610.80

Finding the Fourth Proportional to 8,293,857.40, 12,439,901.70 and 2,902,610.80

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Solution

The fourth proportional to 8,293,857.40, 12,439,901.70 and 2,902,610.80 is: 4,353,606.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293,857.40 : 12,439,901.70 = 2,902,610.80 : x
  2. Step 2: Convert to fraction form
    8,293,857.40/12,439,901.70 = 2,902,610.80/x
  3. Step 3: Cross multiply
    8,293,857.40x = 12,439,901.70 × 2,902,610.80
  4. Step 4: Simplify right side
    8,293,857.40x = 36,108,193,025,358.36
  5. Step 5: Solve for x
    x = 36,108,193,025,358.36/8,293,857.40
  6. Step 6: Final answer
    x = 4,353,606.69

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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.