Home / 25,948,563.80-38,922,845.70-20,909,715.80

Finding the Fourth Proportional to 25,948,563.80, 38,922,845.70 and 20,909,715.80

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Solution

The fourth proportional to 25,948,563.80, 38,922,845.70 and 20,909,715.80 is: 31,364,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948,563.80 : 38,922,845.70 = 20,909,715.80 : x
  2. Step 2: Convert to fraction form
    25,948,563.80/38,922,845.70 = 20,909,715.80/x
  3. Step 3: Cross multiply
    25,948,563.80x = 38,922,845.70 × 20,909,715.80
  4. Step 4: Simplify right side
    25,948,563.80x = 813,865,641,714,252.12
  5. Step 5: Solve for x
    x = 813,865,641,714,252.12/25,948,563.80
  6. Step 6: Final answer
    x = 31,364,573.70

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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.