Home / 18,517,545.44-25,554,417.08-10,257,734.24

Finding the Fourth Proportional to 18,517,545.44, 25,554,417.08 and 10,257,734.24

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Solution

The fourth proportional to 18,517,545.44, 25,554,417.08 and 10,257,734.24 is: 14,155,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,545.44 : 25,554,417.08 = 10,257,734.24 : x
  2. Step 2: Convert to fraction form
    18,517,545.44/25,554,417.08 = 10,257,734.24/x
  3. Step 3: Cross multiply
    18,517,545.44x = 25,554,417.08 × 10,257,734.24
  4. Step 4: Simplify right side
    18,517,545.44x = 262,130,419,064,756.81
  5. Step 5: Solve for x
    x = 262,130,419,064,756.81/18,517,545.44
  6. Step 6: Final answer
    x = 14,155,786.46

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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.