Home / 28,256,544.10-42,384,816.15-10,081,261.90

Finding the Fourth Proportional to 28,256,544.10, 42,384,816.15 and 10,081,261.90

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Solution

The fourth proportional to 28,256,544.10, 42,384,816.15 and 10,081,261.90 is: 15,121,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,544.10 : 42,384,816.15 = 10,081,261.90 : x
  2. Step 2: Convert to fraction form
    28,256,544.10/42,384,816.15 = 10,081,261.90/x
  3. Step 3: Cross multiply
    28,256,544.10x = 42,384,816.15 × 10,081,261.90
  4. Step 4: Simplify right side
    28,256,544.10x = 427,292,432,191,499.69
  5. Step 5: Solve for x
    x = 427,292,432,191,499.69/28,256,544.10
  6. Step 6: Final answer
    x = 15,121,892.85

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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.