Home / 21,106,741.84-31,659,779.23-6,729,712.45

Finding the Fourth Proportional to 21,106,741.84, 31,659,779.23 and 6,729,712.45

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Solution

The fourth proportional to 21,106,741.84, 31,659,779.23 and 6,729,712.45 is: 10,094,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,106,741.84 : 31,659,779.23 = 6,729,712.45 : x
  2. Step 2: Convert to fraction form
    21,106,741.84/31,659,779.23 = 6,729,712.45/x
  3. Step 3: Cross multiply
    21,106,741.84x = 31,659,779.23 × 6,729,712.45
  4. Step 4: Simplify right side
    21,106,741.84x = 213,061,210,448,382.44
  5. Step 5: Solve for x
    x = 213,061,210,448,382.44/21,106,741.84
  6. Step 6: Final answer
    x = 10,094,462.33

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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.