Home / 13,194,182.40-19,806,019.20-12,327,878.40

Finding the Fourth Proportional to 13,194,182.40, 19,806,019.20 and 12,327,878.40

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Solution

The fourth proportional to 13,194,182.40, 19,806,019.20 and 12,327,878.40 is: 18,505,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,182.40 : 19,806,019.20 = 12,327,878.40 : x
  2. Step 2: Convert to fraction form
    13,194,182.40/19,806,019.20 = 12,327,878.40/x
  3. Step 3: Cross multiply
    13,194,182.40x = 19,806,019.20 × 12,327,878.40
  4. Step 4: Simplify right side
    13,194,182.40x = 244,166,196,285,665.28
  5. Step 5: Solve for x
    x = 244,166,196,285,665.28/13,194,182.40
  6. Step 6: Final answer
    x = 18,505,595.03

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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.