Home / 11,977,262.23-18,003,398.91-7,904,756.92

Finding the Fourth Proportional to 11,977,262.23, 18,003,398.91 and 7,904,756.92

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Solution

The fourth proportional to 11,977,262.23, 18,003,398.91 and 7,904,756.92 is: 11,881,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977,262.23 : 18,003,398.91 = 7,904,756.92 : x
  2. Step 2: Convert to fraction form
    11,977,262.23/18,003,398.91 = 7,904,756.92/x
  3. Step 3: Cross multiply
    11,977,262.23x = 18,003,398.91 × 7,904,756.92
  4. Step 4: Simplify right side
    11,977,262.23x = 142,312,492,117,342.97
  5. Step 5: Solve for x
    x = 142,312,492,117,342.97/11,977,262.23
  6. Step 6: Final answer
    x = 11,881,888.31

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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.