Home / 13,131,464.40-19,697,196.60-12,334,302.90

Finding the Fourth Proportional to 13,131,464.40, 19,697,196.60 and 12,334,302.90

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Solution

The fourth proportional to 13,131,464.40, 19,697,196.60 and 12,334,302.90 is: 18,501,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,464.40 : 19,697,196.60 = 12,334,302.90 : x
  2. Step 2: Convert to fraction form
    13,131,464.40/19,697,196.60 = 12,334,302.90/x
  3. Step 3: Cross multiply
    13,131,464.40x = 19,697,196.60 × 12,334,302.90
  4. Step 4: Simplify right side
    13,131,464.40x = 242,951,189,145,250.16
  5. Step 5: Solve for x
    x = 242,951,189,145,250.16/13,131,464.40
  6. Step 6: Final answer
    x = 18,501,454.35

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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.