Home / 12,944,842.20-19,424,261.70-5,372,573.40

Finding the Fourth Proportional to 12,944,842.20, 19,424,261.70 and 5,372,573.40

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Solution

The fourth proportional to 12,944,842.20, 19,424,261.70 and 5,372,573.40 is: 8,061,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,842.20 : 19,424,261.70 = 5,372,573.40 : x
  2. Step 2: Convert to fraction form
    12,944,842.20/19,424,261.70 = 5,372,573.40/x
  3. Step 3: Cross multiply
    12,944,842.20x = 19,424,261.70 × 5,372,573.40
  4. Step 4: Simplify right side
    12,944,842.20x = 104,358,271,724,058.78
  5. Step 5: Solve for x
    x = 104,358,271,724,058.78/12,944,842.20
  6. Step 6: Final answer
    x = 8,061,764.69

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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.