Home / 28,449,684.10-42,674,526.15-21,275,230.60

Finding the Fourth Proportional to 28,449,684.10, 42,674,526.15 and 21,275,230.60

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Solution

The fourth proportional to 28,449,684.10, 42,674,526.15 and 21,275,230.60 is: 31,912,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449,684.10 : 42,674,526.15 = 21,275,230.60 : x
  2. Step 2: Convert to fraction form
    28,449,684.10/42,674,526.15 = 21,275,230.60/x
  3. Step 3: Cross multiply
    28,449,684.10x = 42,674,526.15 × 21,275,230.60
  4. Step 4: Simplify right side
    28,449,684.10x = 907,910,384,586,980.25
  5. Step 5: Solve for x
    x = 907,910,384,586,980.25/28,449,684.10
  6. Step 6: Final answer
    x = 31,912,845.90

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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.