Home / 12,965,369.22-17,892,203.40-7,164,100.22

Finding the Fourth Proportional to 12,965,369.22, 17,892,203.40 and 7,164,100.22

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Solution

The fourth proportional to 12,965,369.22, 17,892,203.40 and 7,164,100.22 is: 9,886,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965,369.22 : 17,892,203.40 = 7,164,100.22 : x
  2. Step 2: Convert to fraction form
    12,965,369.22/17,892,203.40 = 7,164,100.22/x
  3. Step 3: Cross multiply
    12,965,369.22x = 17,892,203.40 × 7,164,100.22
  4. Step 4: Simplify right side
    12,965,369.22x = 128,181,538,224,763.72
  5. Step 5: Solve for x
    x = 128,181,538,224,763.72/12,965,369.22
  6. Step 6: Final answer
    x = 9,886,454.91

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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.