Home / 29,139,580.80-43,721,618.40-15,660,662.40

Finding the Fourth Proportional to 29,139,580.80, 43,721,618.40 and 15,660,662.40

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Solution

The fourth proportional to 29,139,580.80, 43,721,618.40 and 15,660,662.40 is: 23,497,575.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139,580.80 : 43,721,618.40 = 15,660,662.40 : x
  2. Step 2: Convert to fraction form
    29,139,580.80/43,721,618.40 = 15,660,662.40/x
  3. Step 3: Cross multiply
    29,139,580.80x = 43,721,618.40 × 15,660,662.40
  4. Step 4: Simplify right side
    29,139,580.80x = 684,709,505,344,028.12
  5. Step 5: Solve for x
    x = 684,709,505,344,028.12/29,139,580.80
  6. Step 6: Final answer
    x = 23,497,575.69

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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.