Home / 28,790,436.84-43,185,655.38-9,621,193.90

Finding the Fourth Proportional to 28,790,436.84, 43,185,655.38 and 9,621,193.90

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Solution

The fourth proportional to 28,790,436.84, 43,185,655.38 and 9,621,193.90 is: 14,431,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790,436.84 : 43,185,655.38 = 9,621,193.90 : x
  2. Step 2: Convert to fraction form
    28,790,436.84/43,185,655.38 = 9,621,193.90/x
  3. Step 3: Cross multiply
    28,790,436.84x = 43,185,655.38 × 9,621,193.90
  4. Step 4: Simplify right side
    28,790,436.84x = 415,497,564,109,558.25
  5. Step 5: Solve for x
    x = 415,497,564,109,558.25/28,790,436.84
  6. Step 6: Final answer
    x = 14,431,790.89

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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.