Home / 13,134,630.30-19,701,945.45-11,339,540.70

Finding the Fourth Proportional to 13,134,630.30, 19,701,945.45 and 11,339,540.70

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Solution

The fourth proportional to 13,134,630.30, 19,701,945.45 and 11,339,540.70 is: 17,009,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,630.30 : 19,701,945.45 = 11,339,540.70 : x
  2. Step 2: Convert to fraction form
    13,134,630.30/19,701,945.45 = 11,339,540.70/x
  3. Step 3: Cross multiply
    13,134,630.30x = 19,701,945.45 × 11,339,540.70
  4. Step 4: Simplify right side
    13,134,630.30x = 223,411,012,299,454.78
  5. Step 5: Solve for x
    x = 223,411,012,299,454.78/13,134,630.30
  6. Step 6: Final answer
    x = 17,009,311.05

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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.