Home / 13,263,241.20-19,894,861.80-9,904,009.20

Finding the Fourth Proportional to 13,263,241.20, 19,894,861.80 and 9,904,009.20

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Solution

The fourth proportional to 13,263,241.20, 19,894,861.80 and 9,904,009.20 is: 14,856,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,241.20 : 19,894,861.80 = 9,904,009.20 : x
  2. Step 2: Convert to fraction form
    13,263,241.20/19,894,861.80 = 9,904,009.20/x
  3. Step 3: Cross multiply
    13,263,241.20x = 19,894,861.80 × 9,904,009.20
  4. Step 4: Simplify right side
    13,263,241.20x = 197,038,894,299,928.56
  5. Step 5: Solve for x
    x = 197,038,894,299,928.56/13,263,241.20
  6. Step 6: Final answer
    x = 14,856,013.80

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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.