Home / 14,269,615.79-19,691,796.65-8,074,549.77

Finding the Fourth Proportional to 14,269,615.79, 19,691,796.65 and 8,074,549.77

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Solution

The fourth proportional to 14,269,615.79, 19,691,796.65 and 8,074,549.77 is: 11,142,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269,615.79 : 19,691,796.65 = 8,074,549.77 : x
  2. Step 2: Convert to fraction form
    14,269,615.79/19,691,796.65 = 8,074,549.77/x
  3. Step 3: Cross multiply
    14,269,615.79x = 19,691,796.65 × 8,074,549.77
  4. Step 4: Simplify right side
    14,269,615.79x = 159,002,392,070,771.50
  5. Step 5: Solve for x
    x = 159,002,392,070,771.50/14,269,615.79
  6. Step 6: Final answer
    x = 11,142,724.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.