Home / 14,471,654.81-19,971,445.25-7,945,559.33

Finding the Fourth Proportional to 14,471,654.81, 19,971,445.25 and 7,945,559.33

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Solution

The fourth proportional to 14,471,654.81, 19,971,445.25 and 7,945,559.33 is: 10,965,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471,654.81 : 19,971,445.25 = 7,945,559.33 : x
  2. Step 2: Convert to fraction form
    14,471,654.81/19,971,445.25 = 7,945,559.33/x
  3. Step 3: Cross multiply
    14,471,654.81x = 19,971,445.25 × 7,945,559.33
  4. Step 4: Simplify right side
    14,471,654.81x = 158,684,303,059,728.38
  5. Step 5: Solve for x
    x = 158,684,303,059,728.38/14,471,654.81
  6. Step 6: Final answer
    x = 10,965,180.22

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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.