Home / 12,365,832.58-17,064,519.70-7,138,664.34

Finding the Fourth Proportional to 12,365,832.58, 17,064,519.70 and 7,138,664.34

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Solution

The fourth proportional to 12,365,832.58, 17,064,519.70 and 7,138,664.34 is: 9,851,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365,832.58 : 17,064,519.70 = 7,138,664.34 : x
  2. Step 2: Convert to fraction form
    12,365,832.58/17,064,519.70 = 7,138,664.34/x
  3. Step 3: Cross multiply
    12,365,832.58x = 17,064,519.70 × 7,138,664.34
  4. Step 4: Simplify right side
    12,365,832.58x = 121,817,878,140,601.58
  5. Step 5: Solve for x
    x = 121,817,878,140,601.58/12,365,832.58
  6. Step 6: Final answer
    x = 9,851,166.70

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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.