Home / 8,571,695.31-12,857,615.06-2,181,948.75

Finding the Fourth Proportional to 8,571,695.31, 12,857,615.06 and 2,181,948.75

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Solution

The fourth proportional to 8,571,695.31, 12,857,615.06 and 2,181,948.75 is: 3,272,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571,695.31 : 12,857,615.06 = 2,181,948.75 : x
  2. Step 2: Convert to fraction form
    8,571,695.31/12,857,615.06 = 2,181,948.75/x
  3. Step 3: Cross multiply
    8,571,695.31x = 12,857,615.06 × 2,181,948.75
  4. Step 4: Simplify right side
    8,571,695.31x = 28,054,657,097,238.43
  5. Step 5: Solve for x
    x = 28,054,657,097,238.43/8,571,695.31
  6. Step 6: Final answer
    x = 3,272,941.48

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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.