Home / 28,691,803.80-43,040,290.24-9,261,490.49

Finding the Fourth Proportional to 28,691,803.80, 43,040,290.24 and 9,261,490.49

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Solution

The fourth proportional to 28,691,803.80, 43,040,290.24 and 9,261,490.49 is: 13,893,070.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691,803.80 : 43,040,290.24 = 9,261,490.49 : x
  2. Step 2: Convert to fraction form
    28,691,803.80/43,040,290.24 = 9,261,490.49/x
  3. Step 3: Cross multiply
    28,691,803.80x = 43,040,290.24 × 9,261,490.49
  4. Step 4: Simplify right side
    28,691,803.80x = 398,617,238,702,376.31
  5. Step 5: Solve for x
    x = 398,617,238,702,376.31/28,691,803.80
  6. Step 6: Final answer
    x = 13,893,070.00

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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.