Home / 20,655,272.44-30,954,564.06-13,068,656.92

Finding the Fourth Proportional to 20,655,272.44, 30,954,564.06 and 13,068,656.92

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Solution

The fourth proportional to 20,655,272.44, 30,954,564.06 and 13,068,656.92 is: 19,585,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,655,272.44 : 30,954,564.06 = 13,068,656.92 : x
  2. Step 2: Convert to fraction form
    20,655,272.44/30,954,564.06 = 13,068,656.92/x
  3. Step 3: Cross multiply
    20,655,272.44x = 30,954,564.06 × 13,068,656.92
  4. Step 4: Simplify right side
    20,655,272.44x = 404,534,577,808,302.25
  5. Step 5: Solve for x
    x = 404,534,577,808,302.25/20,655,272.44
  6. Step 6: Final answer
    x = 19,585,051.66

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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.