Home / 28,790,447.85-43,185,671.98-9,621,204.93

Finding the Fourth Proportional to 28,790,447.85, 43,185,671.98 and 9,621,204.93

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Solution

The fourth proportional to 28,790,447.85, 43,185,671.98 and 9,621,204.93 is: 14,431,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790,447.85 : 43,185,671.98 = 9,621,204.93 : x
  2. Step 2: Convert to fraction form
    28,790,447.85/43,185,671.98 = 9,621,204.93/x
  3. Step 3: Cross multiply
    28,790,447.85x = 43,185,671.98 × 9,621,204.93
  4. Step 4: Simplify right side
    28,790,447.85x = 415,498,200,135,285.81
  5. Step 5: Solve for x
    x = 415,498,200,135,285.81/28,790,447.85
  6. Step 6: Final answer
    x = 14,431,807.46

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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.