Home / 12,718,563.11-18,991,695.30-10,095,438.54

Finding the Fourth Proportional to 12,718,563.11, 18,991,695.30 and 10,095,438.54

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Solution

The fourth proportional to 12,718,563.11, 18,991,695.30 and 10,095,438.54 is: 15,074,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,563.11 : 18,991,695.30 = 10,095,438.54 : x
  2. Step 2: Convert to fraction form
    12,718,563.11/18,991,695.30 = 10,095,438.54/x
  3. Step 3: Cross multiply
    12,718,563.11x = 18,991,695.30 × 10,095,438.54
  4. Step 4: Simplify right side
    12,718,563.11x = 191,729,492,671,556.84
  5. Step 5: Solve for x
    x = 191,729,492,671,556.84/12,718,563.11
  6. Step 6: Final answer
    x = 15,074,776.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.