Home / 12,042,327.28-16,617,805.32-7,147,762.96

Finding the Fourth Proportional to 12,042,327.28, 16,617,805.32 and 7,147,762.96

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Solution

The fourth proportional to 12,042,327.28, 16,617,805.32 and 7,147,762.96 is: 9,863,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042,327.28 : 16,617,805.32 = 7,147,762.96 : x
  2. Step 2: Convert to fraction form
    12,042,327.28/16,617,805.32 = 7,147,762.96/x
  3. Step 3: Cross multiply
    12,042,327.28x = 16,617,805.32 × 7,147,762.96
  4. Step 4: Simplify right side
    12,042,327.28x = 118,780,133,342,786.95
  5. Step 5: Solve for x
    x = 118,780,133,342,786.95/12,042,327.28
  6. Step 6: Final answer
    x = 9,863,553.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.