Home / 28,490,548.74-42,748,715.46-11,213,992.32

Finding the Fourth Proportional to 28,490,548.74, 42,748,715.46 and 11,213,992.32

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Solution

The fourth proportional to 28,490,548.74, 42,748,715.46 and 11,213,992.32 is: 16,826,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490,548.74 : 42,748,715.46 = 11,213,992.32 : x
  2. Step 2: Convert to fraction form
    28,490,548.74/42,748,715.46 = 11,213,992.32/x
  3. Step 3: Cross multiply
    28,490,548.74x = 42,748,715.46 × 11,213,992.32
  4. Step 4: Simplify right side
    28,490,548.74x = 479,383,766,858,305.31
  5. Step 5: Solve for x
    x = 479,383,766,858,305.31/28,490,548.74
  6. Step 6: Final answer
    x = 16,826,062.96

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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.