Home / 20,055,681.12-27,677,474.64-11,353,695.60

Finding the Fourth Proportional to 20,055,681.12, 27,677,474.64 and 11,353,695.60

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Solution

The fourth proportional to 20,055,681.12, 27,677,474.64 and 11,353,695.60 is: 15,668,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055,681.12 : 27,677,474.64 = 11,353,695.60 : x
  2. Step 2: Convert to fraction form
    20,055,681.12/27,677,474.64 = 11,353,695.60/x
  3. Step 3: Cross multiply
    20,055,681.12x = 27,677,474.64 × 11,353,695.60
  4. Step 4: Simplify right side
    20,055,681.12x = 314,241,622,039,279.56
  5. Step 5: Solve for x
    x = 314,241,622,039,279.56/20,055,681.12
  6. Step 6: Final answer
    x = 15,668,459.23

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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.