Home / 21,130,900.20-31,710,554.46-7,483,997.52

Finding the Fourth Proportional to 21,130,900.20, 31,710,554.46 and 7,483,997.52

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Solution

The fourth proportional to 21,130,900.20, 31,710,554.46 and 7,483,997.52 is: 11,231,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,130,900.20 : 31,710,554.46 = 7,483,997.52 : x
  2. Step 2: Convert to fraction form
    21,130,900.20/31,710,554.46 = 7,483,997.52/x
  3. Step 3: Cross multiply
    21,130,900.20x = 31,710,554.46 × 7,483,997.52
  4. Step 4: Simplify right side
    21,130,900.20x = 237,321,710,936,464.94
  5. Step 5: Solve for x
    x = 237,321,710,936,464.94/21,130,900.20
  6. Step 6: Final answer
    x = 11,231,027.01

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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.