Home / 8,857,205.40-13,285,808.10-3,178,003.80

Finding the Fourth Proportional to 8,857,205.40, 13,285,808.10 and 3,178,003.80

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Solution

The fourth proportional to 8,857,205.40, 13,285,808.10 and 3,178,003.80 is: 4,767,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,205.40 : 13,285,808.10 = 3,178,003.80 : x
  2. Step 2: Convert to fraction form
    8,857,205.40/13,285,808.10 = 3,178,003.80/x
  3. Step 3: Cross multiply
    8,857,205.40x = 13,285,808.10 × 3,178,003.80
  4. Step 4: Simplify right side
    8,857,205.40x = 42,222,348,627,870.77
  5. Step 5: Solve for x
    x = 42,222,348,627,870.77/8,857,205.40
  6. Step 6: Final answer
    x = 4,767,005.70

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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.