Home / 20,036,458,607.28-27,652,863,788.28-12,115,918,630.32

Finding the Fourth Proportional to 20,036,458,607.28, 27,652,863,788.28 and 12,115,918,630.32

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Solution

The fourth proportional to 20,036,458,607.28, 27,652,863,788.28 and 12,115,918,630.32 is: 16,721,510,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,458,607.28 : 27,652,863,788.28 = 12,115,918,630.32 : x
  2. Step 2: Convert to fraction form
    20,036,458,607.28/27,652,863,788.28 = 12,115,918,630.32/x
  3. Step 3: Cross multiply
    20,036,458,607.28x = 27,652,863,788.28 × 12,115,918,630.32
  4. Step 4: Simplify right side
    20,036,458,607.28x = 335,039,847,554,122,907,648
  5. Step 5: Solve for x
    x = 335,039,847,554,122,907,648/20,036,458,607.28
  6. Step 6: Final answer
    x = 16,721,510,228.98

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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.