Home / 13,121,419.64-19,666,172.32-9,284,347.88

Finding the Fourth Proportional to 13,121,419.64, 19,666,172.32 and 9,284,347.88

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Solution

The fourth proportional to 13,121,419.64, 19,666,172.32 and 9,284,347.88 is: 13,915,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,419.64 : 19,666,172.32 = 9,284,347.88 : x
  2. Step 2: Convert to fraction form
    13,121,419.64/19,666,172.32 = 9,284,347.88/x
  3. Step 3: Cross multiply
    13,121,419.64x = 19,666,172.32 × 9,284,347.88
  4. Step 4: Simplify right side
    13,121,419.64x = 182,587,585,286,906.69
  5. Step 5: Solve for x
    x = 182,587,585,286,906.69/13,121,419.64
  6. Step 6: Final answer
    x = 13,915,231.00

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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.