Home / 21,730,841.84-29,988,800.43-11,941,288.56

Finding the Fourth Proportional to 21,730,841.84, 29,988,800.43 and 11,941,288.56

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Solution

The fourth proportional to 21,730,841.84, 29,988,800.43 and 11,941,288.56 is: 16,479,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,841.84 : 29,988,800.43 = 11,941,288.56 : x
  2. Step 2: Convert to fraction form
    21,730,841.84/29,988,800.43 = 11,941,288.56/x
  3. Step 3: Cross multiply
    21,730,841.84x = 29,988,800.43 × 11,941,288.56
  4. Step 4: Simplify right side
    21,730,841.84x = 358,104,919,502,882.06
  5. Step 5: Solve for x
    x = 358,104,919,502,882.06/21,730,841.84
  6. Step 6: Final answer
    x = 16,479,109.38

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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.