Home / 20,501,003.84-28,298,510.14-11,802,643.24

Finding the Fourth Proportional to 20,501,003.84, 28,298,510.14 and 11,802,643.24

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Solution

The fourth proportional to 20,501,003.84, 28,298,510.14 and 11,802,643.24 is: 16,291,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,003.84 : 28,298,510.14 = 11,802,643.24 : x
  2. Step 2: Convert to fraction form
    20,501,003.84/28,298,510.14 = 11,802,643.24/x
  3. Step 3: Cross multiply
    20,501,003.84x = 28,298,510.14 × 11,802,643.24
  4. Step 4: Simplify right side
    20,501,003.84x = 333,997,219,405,942.44
  5. Step 5: Solve for x
    x = 333,997,219,405,942.44/20,501,003.84
  6. Step 6: Final answer
    x = 16,291,749.52

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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.