Home / 12,614,628.80-18,926,334.42-3,980,062.40

Finding the Fourth Proportional to 12,614,628.80, 18,926,334.42 and 3,980,062.40

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Solution

The fourth proportional to 12,614,628.80, 18,926,334.42 and 3,980,062.40 is: 5,971,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614,628.80 : 18,926,334.42 = 3,980,062.40 : x
  2. Step 2: Convert to fraction form
    12,614,628.80/18,926,334.42 = 3,980,062.40/x
  3. Step 3: Cross multiply
    12,614,628.80x = 18,926,334.42 × 3,980,062.40
  4. Step 4: Simplify right side
    12,614,628.80x = 75,327,991,994,867.81
  5. Step 5: Solve for x
    x = 75,327,991,994,867.81/12,614,628.80
  6. Step 6: Final answer
    x = 5,971,479.08

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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.