Home / 12,896,371.18-17,796,991.55-7,095,028.37

Finding the Fourth Proportional to 12,896,371.18, 17,796,991.55 and 7,095,028.37

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Solution

The fourth proportional to 12,896,371.18, 17,796,991.55 and 7,095,028.37 is: 9,791,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,371.18 : 17,796,991.55 = 7,095,028.37 : x
  2. Step 2: Convert to fraction form
    12,896,371.18/17,796,991.55 = 7,095,028.37/x
  3. Step 3: Cross multiply
    12,896,371.18x = 17,796,991.55 × 7,095,028.37
  4. Step 4: Simplify right side
    12,896,371.18x = 126,270,159,823,440.19
  5. Step 5: Solve for x
    x = 126,270,159,823,440.19/12,896,371.18
  6. Step 6: Final answer
    x = 9,791,138.77

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1.5x scale

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.