Home / 20,119,012.51-27,762,654.31-11,417,185.09

Finding the Fourth Proportional to 20,119,012.51, 27,762,654.31 and 11,417,185.09

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Solution

The fourth proportional to 20,119,012.51, 27,762,654.31 and 11,417,185.09 is: 15,754,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119,012.51 : 27,762,654.31 = 11,417,185.09 : x
  2. Step 2: Convert to fraction form
    20,119,012.51/27,762,654.31 = 11,417,185.09/x
  3. Step 3: Cross multiply
    20,119,012.51x = 27,762,654.31 × 11,417,185.09
  4. Step 4: Simplify right side
    20,119,012.51x = 316,971,362,846,956.19
  5. Step 5: Solve for x
    x = 316,971,362,846,956.19/20,119,012.51
  6. Step 6: Final answer
    x = 15,754,817.13

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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.