Home / 12,482,910.80-18,724,366.20-8,700,664.40

Finding the Fourth Proportional to 12,482,910.80, 18,724,366.20 and 8,700,664.40

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Solution

The fourth proportional to 12,482,910.80, 18,724,366.20 and 8,700,664.40 is: 13,050,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,910.80 : 18,724,366.20 = 8,700,664.40 : x
  2. Step 2: Convert to fraction form
    12,482,910.80/18,724,366.20 = 8,700,664.40/x
  3. Step 3: Cross multiply
    12,482,910.80x = 18,724,366.20 × 8,700,664.40
  4. Step 4: Simplify right side
    12,482,910.80x = 162,914,426,408,903.28
  5. Step 5: Solve for x
    x = 162,914,426,408,903.28/12,482,910.80
  6. Step 6: Final answer
    x = 13,050,996.60

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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.