Home / 19,422,015.30-29,133,022.95-12,241,656.90

Finding the Fourth Proportional to 19,422,015.30, 29,133,022.95 and 12,241,656.90

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Solution

The fourth proportional to 19,422,015.30, 29,133,022.95 and 12,241,656.90 is: 18,362,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,015.30 : 29,133,022.95 = 12,241,656.90 : x
  2. Step 2: Convert to fraction form
    19,422,015.30/29,133,022.95 = 12,241,656.90/x
  3. Step 3: Cross multiply
    19,422,015.30x = 29,133,022.95 × 12,241,656.90
  4. Step 4: Simplify right side
    19,422,015.30x = 356,636,471,413,725.88
  5. Step 5: Solve for x
    x = 356,636,471,413,725.88/19,422,015.30
  6. Step 6: Final answer
    x = 18,362,485.35

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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.