Home / 20,922,434.36-28,873,304.74-11,503,623.32

Finding the Fourth Proportional to 20,922,434.36, 28,873,304.74 and 11,503,623.32

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Solution

The fourth proportional to 20,922,434.36, 28,873,304.74 and 11,503,623.32 is: 15,875,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,434.36 : 28,873,304.74 = 11,503,623.32 : x
  2. Step 2: Convert to fraction form
    20,922,434.36/28,873,304.74 = 11,503,623.32/x
  3. Step 3: Cross multiply
    20,922,434.36x = 28,873,304.74 × 11,503,623.32
  4. Step 4: Simplify right side
    20,922,434.36x = 332,147,621,732,530.50
  5. Step 5: Solve for x
    x = 332,147,621,732,530.50/20,922,434.36
  6. Step 6: Final answer
    x = 15,875,190.05

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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.