Home / 12,241,808.10-18,362,712.15-3,722,130.90

Finding the Fourth Proportional to 12,241,808.10, 18,362,712.15 and 3,722,130.90

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Solution

The fourth proportional to 12,241,808.10, 18,362,712.15 and 3,722,130.90 is: 5,583,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,808.10 : 18,362,712.15 = 3,722,130.90 : x
  2. Step 2: Convert to fraction form
    12,241,808.10/18,362,712.15 = 3,722,130.90/x
  3. Step 3: Cross multiply
    12,241,808.10x = 18,362,712.15 × 3,722,130.90
  4. Step 4: Simplify right side
    12,241,808.10x = 68,348,418,301,320.43
  5. Step 5: Solve for x
    x = 68,348,418,301,320.43/12,241,808.10
  6. Step 6: Final answer
    x = 5,583,196.35

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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.