Home / 17,928,428.20-26,892,642.30-14,341,201.45

Finding the Fourth Proportional to 17,928,428.20, 26,892,642.30 and 14,341,201.45

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Solution

The fourth proportional to 17,928,428.20, 26,892,642.30 and 14,341,201.45 is: 21,511,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928,428.20 : 26,892,642.30 = 14,341,201.45 : x
  2. Step 2: Convert to fraction form
    17,928,428.20/26,892,642.30 = 14,341,201.45/x
  3. Step 3: Cross multiply
    17,928,428.20x = 26,892,642.30 × 14,341,201.45
  4. Step 4: Simplify right side
    17,928,428.20x = 385,672,800,747,091.31
  5. Step 5: Solve for x
    x = 385,672,800,747,091.31/17,928,428.20
  6. Step 6: Final answer
    x = 21,511,802.18

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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.