Home / 15,677,109,963.84-21,634,373,871.36-8,540,582,419.52

Finding the Fourth Proportional to 15,677,109,963.84, 21,634,373,871.36 and 8,540,582,419.52

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Solution

The fourth proportional to 15,677,109,963.84, 21,634,373,871.36 and 8,540,582,419.52 is: 11,785,983,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677,109,963.84 : 21,634,373,871.36 = 8,540,582,419.52 : x
  2. Step 2: Convert to fraction form
    15,677,109,963.84/21,634,373,871.36 = 8,540,582,419.52/x
  3. Step 3: Cross multiply
    15,677,109,963.84x = 21,634,373,871.36 × 8,540,582,419.52
  4. Step 4: Simplify right side
    15,677,109,963.84x = 184,770,153,143,060,070,400
  5. Step 5: Solve for x
    x = 184,770,153,143,060,070,400/15,677,109,963.84
  6. Step 6: Final answer
    x = 11,785,983,103.34

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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.