Home / 20,165,693,081.02-27,831,096,711.48-11,477,260,655.20

Finding the Fourth Proportional to 20,165,693,081.02, 27,831,096,711.48 and 11,477,260,655.20

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Solution

The fourth proportional to 20,165,693,081.02, 27,831,096,711.48 and 11,477,260,655.20 is: 15,840,008,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,693,081.02 : 27,831,096,711.48 = 11,477,260,655.20 : x
  2. Step 2: Convert to fraction form
    20,165,693,081.02/27,831,096,711.48 = 11,477,260,655.20/x
  3. Step 3: Cross multiply
    20,165,693,081.02x = 27,831,096,711.48 × 11,477,260,655.20
  4. Step 4: Simplify right side
    20,165,693,081.02x = 319,424,751,277,735,542,784
  5. Step 5: Solve for x
    x = 319,424,751,277,735,542,784/20,165,693,081.02
  6. Step 6: Final answer
    x = 15,840,008,572.70

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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.