Home / 31,353,081.96-47,035,679.44-11,920,797.08

Finding the Fourth Proportional to 31,353,081.96, 47,035,679.44 and 11,920,797.08

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Solution

The fourth proportional to 31,353,081.96, 47,035,679.44 and 11,920,797.08 is: 17,883,498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,081.96 : 47,035,679.44 = 11,920,797.08 : x
  2. Step 2: Convert to fraction form
    31,353,081.96/47,035,679.44 = 11,920,797.08/x
  3. Step 3: Cross multiply
    31,353,081.96x = 47,035,679.44 × 11,920,797.08
  4. Step 4: Simplify right side
    31,353,081.96x = 560,702,790,124,168
  5. Step 5: Solve for x
    x = 560,702,790,124,168/31,353,081.96
  6. Step 6: Final answer
    x = 17,883,498.37

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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.