Home / 11,977,261.23-18,003,397.41-7,904,755.92

Finding the Fourth Proportional to 11,977,261.23, 18,003,397.41 and 7,904,755.92

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Solution

The fourth proportional to 11,977,261.23, 18,003,397.41 and 7,904,755.92 is: 11,881,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977,261.23 : 18,003,397.41 = 7,904,755.92 : x
  2. Step 2: Convert to fraction form
    11,977,261.23/18,003,397.41 = 7,904,755.92/x
  3. Step 3: Cross multiply
    11,977,261.23x = 18,003,397.41 × 7,904,755.92
  4. Step 4: Simplify right side
    11,977,261.23x = 142,312,462,256,810.16
  5. Step 5: Solve for x
    x = 142,312,462,256,810.16/11,977,261.23
  6. Step 6: Final answer
    x = 11,881,886.81

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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.