Home / 19,966,181.87-29,952,583.79-7,008,972.32

Finding the Fourth Proportional to 19,966,181.87, 29,952,583.79 and 7,008,972.32

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Solution

The fourth proportional to 19,966,181.87, 29,952,583.79 and 7,008,972.32 is: 10,514,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966,181.87 : 29,952,583.79 = 7,008,972.32 : x
  2. Step 2: Convert to fraction form
    19,966,181.87/29,952,583.79 = 7,008,972.32/x
  3. Step 3: Cross multiply
    19,966,181.87x = 29,952,583.79 × 7,008,972.32
  4. Step 4: Simplify right side
    19,966,181.87x = 209,936,830,736,427.28
  5. Step 5: Solve for x
    x = 209,936,830,736,427.28/19,966,181.87
  6. Step 6: Final answer
    x = 10,514,620.78

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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.