Home / 28,790,361.16-43,185,541.89-9,621,118.21

Finding the Fourth Proportional to 28,790,361.16, 43,185,541.89 and 9,621,118.21

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Solution

The fourth proportional to 28,790,361.16, 43,185,541.89 and 9,621,118.21 is: 14,431,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790,361.16 : 43,185,541.89 = 9,621,118.21 : x
  2. Step 2: Convert to fraction form
    28,790,361.16/43,185,541.89 = 9,621,118.21/x
  3. Step 3: Cross multiply
    28,790,361.16x = 43,185,541.89 × 9,621,118.21
  4. Step 4: Simplify right side
    28,790,361.16x = 415,493,203,563,038.62
  5. Step 5: Solve for x
    x = 415,493,203,563,038.62/28,790,361.16
  6. Step 6: Final answer
    x = 14,431,677.37

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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.