Home / 20,119,012.58-27,762,654.40-11,417,185.16

Finding the Fourth Proportional to 20,119,012.58, 27,762,654.40 and 11,417,185.16

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Solution

The fourth proportional to 20,119,012.58, 27,762,654.40 and 11,417,185.16 is: 15,754,817.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119,012.58 : 27,762,654.40 = 11,417,185.16 : x
  2. Step 2: Convert to fraction form
    20,119,012.58/27,762,654.40 = 11,417,185.16/x
  3. Step 3: Cross multiply
    20,119,012.58x = 27,762,654.40 × 11,417,185.16
  4. Step 4: Simplify right side
    20,119,012.58x = 316,971,365,817,888.69
  5. Step 5: Solve for x
    x = 316,971,365,817,888.69/20,119,012.58
  6. Step 6: Final answer
    x = 15,754,817.22

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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.