Home / 10,617,559.20-15,926,338.80-2,639,383.20

Finding the Fourth Proportional to 10,617,559.20, 15,926,338.80 and 2,639,383.20

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Solution

The fourth proportional to 10,617,559.20, 15,926,338.80 and 2,639,383.20 is: 3,959,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617,559.20 : 15,926,338.80 = 2,639,383.20 : x
  2. Step 2: Convert to fraction form
    10,617,559.20/15,926,338.80 = 2,639,383.20/x
  3. Step 3: Cross multiply
    10,617,559.20x = 15,926,338.80 × 2,639,383.20
  4. Step 4: Simplify right side
    10,617,559.20x = 42,035,711,066,228.16
  5. Step 5: Solve for x
    x = 42,035,711,066,228.16/10,617,559.20
  6. Step 6: Final answer
    x = 3,959,074.80

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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.