Home / 19,428,003.10-26,812,995.28-11,057,408.06

Finding the Fourth Proportional to 19,428,003.10, 26,812,995.28 and 11,057,408.06

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Solution

The fourth proportional to 19,428,003.10, 26,812,995.28 and 11,057,408.06 is: 15,260,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428,003.10 : 26,812,995.28 = 11,057,408.06 : x
  2. Step 2: Convert to fraction form
    19,428,003.10/26,812,995.28 = 11,057,408.06/x
  3. Step 3: Cross multiply
    19,428,003.10x = 26,812,995.28 × 11,057,408.06
  4. Step 4: Simplify right side
    19,428,003.10x = 296,482,230,121,814
  5. Step 5: Solve for x
    x = 296,482,230,121,814/19,428,003.10
  6. Step 6: Final answer
    x = 15,260,561.19

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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.