Home / 31,409,528.40-47,114,292.60-11,216,811.60

Finding the Fourth Proportional to 31,409,528.40, 47,114,292.60 and 11,216,811.60

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Solution

The fourth proportional to 31,409,528.40, 47,114,292.60 and 11,216,811.60 is: 16,825,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409,528.40 : 47,114,292.60 = 11,216,811.60 : x
  2. Step 2: Convert to fraction form
    31,409,528.40/47,114,292.60 = 11,216,811.60/x
  3. Step 3: Cross multiply
    31,409,528.40x = 47,114,292.60 × 11,216,811.60
  4. Step 4: Simplify right side
    31,409,528.40x = 528,472,143,761,474.19
  5. Step 5: Solve for x
    x = 528,472,143,761,474.19/31,409,528.40
  6. Step 6: Final answer
    x = 16,825,217.40

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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.