Home / 21,332,441.40-32,073,311.70-20,884,543.80

Finding the Fourth Proportional to 21,332,441.40, 32,073,311.70 and 20,884,543.80

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Solution

The fourth proportional to 21,332,441.40, 32,073,311.70 and 20,884,543.80 is: 31,399,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332,441.40 : 32,073,311.70 = 20,884,543.80 : x
  2. Step 2: Convert to fraction form
    21,332,441.40/32,073,311.70 = 20,884,543.80/x
  3. Step 3: Cross multiply
    21,332,441.40x = 32,073,311.70 × 20,884,543.80
  4. Step 4: Simplify right side
    21,332,441.40x = 669,836,483,009,702.50
  5. Step 5: Solve for x
    x = 669,836,483,009,702.50/21,332,441.40
  6. Step 6: Final answer
    x = 31,399,897.95

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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.