Home / 13,771,941.78-20,659,069.17-4,187,403.66

Finding the Fourth Proportional to 13,771,941.78, 20,659,069.17 and 4,187,403.66

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Solution

The fourth proportional to 13,771,941.78, 20,659,069.17 and 4,187,403.66 is: 6,281,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,941.78 : 20,659,069.17 = 4,187,403.66 : x
  2. Step 2: Convert to fraction form
    13,771,941.78/20,659,069.17 = 4,187,403.66/x
  3. Step 3: Cross multiply
    13,771,941.78x = 20,659,069.17 × 4,187,403.66
  4. Step 4: Simplify right side
    13,771,941.78x = 86,507,861,854,651.17
  5. Step 5: Solve for x
    x = 86,507,861,854,651.17/13,771,941.78
  6. Step 6: Final answer
    x = 6,281,457.13

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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.