Home / 21,066,900.24-29,074,686.66-11,900,133.48

Finding the Fourth Proportional to 21,066,900.24, 29,074,686.66 and 11,900,133.48

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Solution

The fourth proportional to 21,066,900.24, 29,074,686.66 and 11,900,133.48 is: 16,423,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,900.24 : 29,074,686.66 = 11,900,133.48 : x
  2. Step 2: Convert to fraction form
    21,066,900.24/29,074,686.66 = 11,900,133.48/x
  3. Step 3: Cross multiply
    21,066,900.24x = 29,074,686.66 × 11,900,133.48
  4. Step 4: Simplify right side
    21,066,900.24x = 345,992,652,143,175.38
  5. Step 5: Solve for x
    x = 345,992,652,143,175.38/21,066,900.24
  6. Step 6: Final answer
    x = 16,423,519.75

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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.