Home / 19,892,259.72-29,838,396.42-8,949,669.60

Finding the Fourth Proportional to 19,892,259.72, 29,838,396.42 and 8,949,669.60

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Solution

The fourth proportional to 19,892,259.72, 29,838,396.42 and 8,949,669.60 is: 13,424,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892,259.72 : 29,838,396.42 = 8,949,669.60 : x
  2. Step 2: Convert to fraction form
    19,892,259.72/29,838,396.42 = 8,949,669.60/x
  3. Step 3: Cross multiply
    19,892,259.72x = 29,838,396.42 × 8,949,669.60
  4. Step 4: Simplify right side
    19,892,259.72x = 267,043,789,352,822.84
  5. Step 5: Solve for x
    x = 267,043,789,352,822.84/19,892,259.72
  6. Step 6: Final answer
    x = 13,424,507.48

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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.