Home / 19,419,164.10-29,128,746.15-9,864,015.30

Finding the Fourth Proportional to 19,419,164.10, 29,128,746.15 and 9,864,015.30

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Solution

The fourth proportional to 19,419,164.10, 29,128,746.15 and 9,864,015.30 is: 14,796,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,164.10 : 29,128,746.15 = 9,864,015.30 : x
  2. Step 2: Convert to fraction form
    19,419,164.10/29,128,746.15 = 9,864,015.30/x
  3. Step 3: Cross multiply
    19,419,164.10x = 29,128,746.15 × 9,864,015.30
  4. Step 4: Simplify right side
    19,419,164.10x = 287,326,397,693,416.12
  5. Step 5: Solve for x
    x = 287,326,397,693,416.12/19,419,164.10
  6. Step 6: Final answer
    x = 14,796,022.95

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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.