Home / 12,896,370.49-17,796,990.60-7,095,027.67

Finding the Fourth Proportional to 12,896,370.49, 17,796,990.60 and 7,095,027.67

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Solution

The fourth proportional to 12,896,370.49, 17,796,990.60 and 7,095,027.67 is: 9,791,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,370.49 : 17,796,990.60 = 7,095,027.67 : x
  2. Step 2: Convert to fraction form
    12,896,370.49/17,796,990.60 = 7,095,027.67/x
  3. Step 3: Cross multiply
    12,896,370.49x = 17,796,990.60 × 7,095,027.67
  4. Step 4: Simplify right side
    12,896,370.49x = 126,270,140,714,254.75
  5. Step 5: Solve for x
    x = 126,270,140,714,254.75/12,896,370.49
  6. Step 6: Final answer
    x = 9,791,137.81

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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.