Home / 14,340,821.80-21,511,232.70-13,146,428.20

Finding the Fourth Proportional to 14,340,821.80, 21,511,232.70 and 13,146,428.20

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Solution

The fourth proportional to 14,340,821.80, 21,511,232.70 and 13,146,428.20 is: 19,719,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340,821.80 : 21,511,232.70 = 13,146,428.20 : x
  2. Step 2: Convert to fraction form
    14,340,821.80/21,511,232.70 = 13,146,428.20/x
  3. Step 3: Cross multiply
    14,340,821.80x = 21,511,232.70 × 13,146,428.20
  4. Step 4: Simplify right side
    14,340,821.80x = 282,795,876,184,042.12
  5. Step 5: Solve for x
    x = 282,795,876,184,042.12/14,340,821.80
  6. Step 6: Final answer
    x = 19,719,642.30

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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.