Home / 27,011,082-37,278,842.96-15,405,985.20

Finding the Fourth Proportional to 27,011,082, 37,278,842.96 and 15,405,985.20

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Solution

The fourth proportional to 27,011,082, 37,278,842.96 and 15,405,985.20 is: 21,262,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011,082 : 37,278,842.96 = 15,405,985.20 : x
  2. Step 2: Convert to fraction form
    27,011,082/37,278,842.96 = 15,405,985.20/x
  3. Step 3: Cross multiply
    27,011,082x = 37,278,842.96 × 15,405,985.20
  4. Step 4: Simplify right side
    27,011,082x = 574,317,302,914,884.12
  5. Step 5: Solve for x
    x = 574,317,302,914,884.12/27,011,082
  6. Step 6: Final answer
    x = 21,262,284.23

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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.