Home / 28,785,664.05-43,185,969.68-8,590,908.21

Finding the Fourth Proportional to 28,785,664.05, 43,185,969.68 and 8,590,908.21

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Solution

The fourth proportional to 28,785,664.05, 43,185,969.68 and 8,590,908.21 is: 12,888,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785,664.05 : 43,185,969.68 = 8,590,908.21 : x
  2. Step 2: Convert to fraction form
    28,785,664.05/43,185,969.68 = 8,590,908.21/x
  3. Step 3: Cross multiply
    28,785,664.05x = 43,185,969.68 × 8,590,908.21
  4. Step 4: Simplify right side
    28,785,664.05x = 371,006,701,437,768.56
  5. Step 5: Solve for x
    x = 371,006,701,437,768.56/28,785,664.05
  6. Step 6: Final answer
    x = 12,888,592.77

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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.