Home / 31,920,439.14-47,887,391.61-10,353,365.82

Finding the Fourth Proportional to 31,920,439.14, 47,887,391.61 and 10,353,365.82

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Solution

The fourth proportional to 31,920,439.14, 47,887,391.61 and 10,353,365.82 is: 15,532,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,439.14 : 47,887,391.61 = 10,353,365.82 : x
  2. Step 2: Convert to fraction form
    31,920,439.14/47,887,391.61 = 10,353,365.82/x
  3. Step 3: Cross multiply
    31,920,439.14x = 47,887,391.61 × 10,353,365.82
  4. Step 4: Simplify right side
    31,920,439.14x = 495,795,683,503,928.75
  5. Step 5: Solve for x
    x = 495,795,683,503,928.75/31,920,439.14
  6. Step 6: Final answer
    x = 15,532,232.54

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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.