Home / 13,606,857.31-20,416,830.92-8,487,973.32

Finding the Fourth Proportional to 13,606,857.31, 20,416,830.92 and 8,487,973.32

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Solution

The fourth proportional to 13,606,857.31, 20,416,830.92 and 8,487,973.32 is: 12,736,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,857.31 : 20,416,830.92 = 8,487,973.32 : x
  2. Step 2: Convert to fraction form
    13,606,857.31/20,416,830.92 = 8,487,973.32/x
  3. Step 3: Cross multiply
    13,606,857.31x = 20,416,830.92 × 8,487,973.32
  4. Step 4: Simplify right side
    13,606,857.31x = 173,297,516,127,911.06
  5. Step 5: Solve for x
    x = 173,297,516,127,911.06/13,606,857.31
  6. Step 6: Final answer
    x = 12,736,042.73

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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.