Home / 12,482,699.20-18,724,048.80-10,656,116.80

Finding the Fourth Proportional to 12,482,699.20, 18,724,048.80 and 10,656,116.80

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Solution

The fourth proportional to 12,482,699.20, 18,724,048.80 and 10,656,116.80 is: 15,984,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,699.20 : 18,724,048.80 = 10,656,116.80 : x
  2. Step 2: Convert to fraction form
    12,482,699.20/18,724,048.80 = 10,656,116.80/x
  3. Step 3: Cross multiply
    12,482,699.20x = 18,724,048.80 × 10,656,116.80
  4. Step 4: Simplify right side
    12,482,699.20x = 199,525,650,981,699.88
  5. Step 5: Solve for x
    x = 199,525,650,981,699.88/12,482,699.20
  6. Step 6: Final answer
    x = 15,984,175.20

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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.