Home / 21,206,521.56-31,808,893.86-6,829,271.04

Finding the Fourth Proportional to 21,206,521.56, 31,808,893.86 and 6,829,271.04

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Solution

The fourth proportional to 21,206,521.56, 31,808,893.86 and 6,829,271.04 is: 10,243,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,206,521.56 : 31,808,893.86 = 6,829,271.04 : x
  2. Step 2: Convert to fraction form
    21,206,521.56/31,808,893.86 = 6,829,271.04/x
  3. Step 3: Cross multiply
    21,206,521.56x = 31,808,893.86 × 6,829,271.04
  4. Step 4: Simplify right side
    21,206,521.56x = 217,231,557,652,531.81
  5. Step 5: Solve for x
    x = 217,231,557,652,531.81/21,206,521.56
  6. Step 6: Final answer
    x = 10,243,620.44

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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.