Home / 12,482,968.80-18,724,453.20-8,700,722.40

Finding the Fourth Proportional to 12,482,968.80, 18,724,453.20 and 8,700,722.40

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Solution

The fourth proportional to 12,482,968.80, 18,724,453.20 and 8,700,722.40 is: 13,051,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,968.80 : 18,724,453.20 = 8,700,722.40 : x
  2. Step 2: Convert to fraction form
    12,482,968.80/18,724,453.20 = 8,700,722.40/x
  3. Step 3: Cross multiply
    12,482,968.80x = 18,724,453.20 × 8,700,722.40
  4. Step 4: Simplify right side
    12,482,968.80x = 162,916,269,384,991.69
  5. Step 5: Solve for x
    x = 162,916,269,384,991.69/12,482,968.80
  6. Step 6: Final answer
    x = 13,051,083.60

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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.