Home / 31,347,299.60-47,009,890.20-11,153,200.40

Finding the Fourth Proportional to 31,347,299.60, 47,009,890.20 and 11,153,200.40

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Solution

The fourth proportional to 31,347,299.60, 47,009,890.20 and 11,153,200.40 is: 16,725,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347,299.60 : 47,009,890.20 = 11,153,200.40 : x
  2. Step 2: Convert to fraction form
    31,347,299.60/47,009,890.20 = 11,153,200.40/x
  3. Step 3: Cross multiply
    31,347,299.60x = 47,009,890.20 × 11,153,200.40
  4. Step 4: Simplify right side
    31,347,299.60x = 524,310,726,182,596.12
  5. Step 5: Solve for x
    x = 524,310,726,182,596.12/31,347,299.60
  6. Step 6: Final answer
    x = 16,725,865.80

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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.