Home / 21,108,748.06-29,130,128.40-11,450,956.06

Finding the Fourth Proportional to 21,108,748.06, 29,130,128.40 and 11,450,956.06

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Solution

The fourth proportional to 21,108,748.06, 29,130,128.40 and 11,450,956.06 is: 15,802,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,108,748.06 : 29,130,128.40 = 11,450,956.06 : x
  2. Step 2: Convert to fraction form
    21,108,748.06/29,130,128.40 = 11,450,956.06/x
  3. Step 3: Cross multiply
    21,108,748.06x = 29,130,128.40 × 11,450,956.06
  4. Step 4: Simplify right side
    21,108,748.06x = 333,567,820,330,558.12
  5. Step 5: Solve for x
    x = 333,567,820,330,558.12/21,108,748.06
  6. Step 6: Final answer
    x = 15,802,349.78

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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.