Home / 21,106,739.84-31,659,776.24-6,729,710.45

Finding the Fourth Proportional to 21,106,739.84, 31,659,776.24 and 6,729,710.45

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Solution

The fourth proportional to 21,106,739.84, 31,659,776.24 and 6,729,710.45 is: 10,094,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,106,739.84 : 31,659,776.24 = 6,729,710.45 : x
  2. Step 2: Convert to fraction form
    21,106,739.84/31,659,776.24 = 6,729,710.45/x
  3. Step 3: Cross multiply
    21,106,739.84x = 31,659,776.24 × 6,729,710.45
  4. Step 4: Simplify right side
    21,106,739.84x = 213,061,126,815,042.28
  5. Step 5: Solve for x
    x = 213,061,126,815,042.28/21,106,739.84
  6. Step 6: Final answer
    x = 10,094,459.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.