Home / 21,344,218.24-29,455,014.96-11,554,655.17

Finding the Fourth Proportional to 21,344,218.24, 29,455,014.96 and 11,554,655.17

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Solution

The fourth proportional to 21,344,218.24, 29,455,014.96 and 11,554,655.17 is: 15,945,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,218.24 : 29,455,014.96 = 11,554,655.17 : x
  2. Step 2: Convert to fraction form
    21,344,218.24/29,455,014.96 = 11,554,655.17/x
  3. Step 3: Cross multiply
    21,344,218.24x = 29,455,014.96 × 11,554,655.17
  4. Step 4: Simplify right side
    21,344,218.24x = 340,342,540,889,991.38
  5. Step 5: Solve for x
    x = 340,342,540,889,991.38/21,344,218.24
  6. Step 6: Final answer
    x = 15,945,420.77

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1.5x scale

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.