Home / 14,015,812.80-21,027,655.80-6,827,581.20

Finding the Fourth Proportional to 14,015,812.80, 21,027,655.80 and 6,827,581.20

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Solution

The fourth proportional to 14,015,812.80, 21,027,655.80 and 6,827,581.20 is: 10,243,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,812.80 : 21,027,655.80 = 6,827,581.20 : x
  2. Step 2: Convert to fraction form
    14,015,812.80/21,027,655.80 = 6,827,581.20/x
  3. Step 3: Cross multiply
    14,015,812.80x = 21,027,655.80 × 6,827,581.20
  4. Step 4: Simplify right side
    14,015,812.80x = 143,568,027,420,150.97
  5. Step 5: Solve for x
    x = 143,568,027,420,150.97/14,015,812.80
  6. Step 6: Final answer
    x = 10,243,289.45

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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.