Home / 20,906,539,097.44-28,844,834,664.72-12,441,576,788.32

Finding the Fourth Proportional to 20,906,539,097.44, 28,844,834,664.72 and 12,441,576,788.32

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Solution

The fourth proportional to 20,906,539,097.44, 28,844,834,664.72 and 12,441,576,788.32 is: 17,165,692,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,906,539,097.44 : 28,844,834,664.72 = 12,441,576,788.32 : x
  2. Step 2: Convert to fraction form
    20,906,539,097.44/28,844,834,664.72 = 12,441,576,788.32/x
  3. Step 3: Cross multiply
    20,906,539,097.44x = 28,844,834,664.72 × 12,441,576,788.32
  4. Step 4: Simplify right side
    20,906,539,097.44x = 358,875,225,427,508,461,568
  5. Step 5: Solve for x
    x = 358,875,225,427,508,461,568/20,906,539,097.44
  6. Step 6: Final answer
    x = 17,165,692,693.32

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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.