Home / 8,571,707.19-12,857,632.89-2,181,960.63

Finding the Fourth Proportional to 8,571,707.19, 12,857,632.89 and 2,181,960.63

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Solution

The fourth proportional to 8,571,707.19, 12,857,632.89 and 2,181,960.63 is: 3,272,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571,707.19 : 12,857,632.89 = 2,181,960.63 : x
  2. Step 2: Convert to fraction form
    8,571,707.19/12,857,632.89 = 2,181,960.63/x
  3. Step 3: Cross multiply
    8,571,707.19x = 12,857,632.89 × 2,181,960.63
  4. Step 4: Simplify right side
    8,571,707.19x = 28,054,848,760,973.12
  5. Step 5: Solve for x
    x = 28,054,848,760,973.12/8,571,707.19
  6. Step 6: Final answer
    x = 3,272,959.30

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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.