Home / 21,297,678.26-31,935,151.04-11,052,222.08

Finding the Fourth Proportional to 21,297,678.26, 31,935,151.04 and 11,052,222.08

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Solution

The fourth proportional to 21,297,678.26, 31,935,151.04 and 11,052,222.08 is: 16,572,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297,678.26 : 31,935,151.04 = 11,052,222.08 : x
  2. Step 2: Convert to fraction form
    21,297,678.26/31,935,151.04 = 11,052,222.08/x
  3. Step 3: Cross multiply
    21,297,678.26x = 31,935,151.04 × 11,052,222.08
  4. Step 4: Simplify right side
    21,297,678.26x = 352,954,381,452,422.94
  5. Step 5: Solve for x
    x = 352,954,381,452,422.94/21,297,678.26
  6. Step 6: Final answer
    x = 16,572,434.66

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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.