Home / 20,804,573.15-31,206,956.93-7,341,401.15

Finding the Fourth Proportional to 20,804,573.15, 31,206,956.93 and 7,341,401.15

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Solution

The fourth proportional to 20,804,573.15, 31,206,956.93 and 7,341,401.15 is: 11,012,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,573.15 : 31,206,956.93 = 7,341,401.15 : x
  2. Step 2: Convert to fraction form
    20,804,573.15/31,206,956.93 = 7,341,401.15/x
  3. Step 3: Cross multiply
    20,804,573.15x = 31,206,956.93 × 7,341,401.15
  4. Step 4: Simplify right side
    20,804,573.15x = 229,102,789,493,902.47
  5. Step 5: Solve for x
    x = 229,102,789,493,902.47/20,804,573.15
  6. Step 6: Final answer
    x = 11,012,136.03

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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.