Home / 14,771,685.80-20,388,327.70-8,662,082.60

Finding the Fourth Proportional to 14,771,685.80, 20,388,327.70 and 8,662,082.60

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Solution

The fourth proportional to 14,771,685.80, 20,388,327.70 and 8,662,082.60 is: 11,955,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,685.80 : 20,388,327.70 = 8,662,082.60 : x
  2. Step 2: Convert to fraction form
    14,771,685.80/20,388,327.70 = 8,662,082.60/x
  3. Step 3: Cross multiply
    14,771,685.80x = 20,388,327.70 × 8,662,082.60
  4. Step 4: Simplify right side
    14,771,685.80x = 176,605,378,613,268
  5. Step 5: Solve for x
    x = 176,605,378,613,268/14,771,685.80
  6. Step 6: Final answer
    x = 11,955,668.50

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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.