Home / 7,769,326.40-10,721,715.36-4,331,781.44

Finding the Fourth Proportional to 7,769,326.40, 10,721,715.36 and 4,331,781.44

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Solution

The fourth proportional to 7,769,326.40, 10,721,715.36 and 4,331,781.44 is: 5,977,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769,326.40 : 10,721,715.36 = 4,331,781.44 : x
  2. Step 2: Convert to fraction form
    7,769,326.40/10,721,715.36 = 4,331,781.44/x
  3. Step 3: Cross multiply
    7,769,326.40x = 10,721,715.36 × 4,331,781.44
  4. Step 4: Simplify right side
    7,769,326.40x = 46,444,127,601,410.92
  5. Step 5: Solve for x
    x = 46,444,127,601,410.92/7,769,326.40
  6. Step 6: Final answer
    x = 5,977,883.44

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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.