Home / 13,337,288.04-18,405,545.85-7,225,716.54

Finding the Fourth Proportional to 13,337,288.04, 18,405,545.85 and 7,225,716.54

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Solution

The fourth proportional to 13,337,288.04, 18,405,545.85 and 7,225,716.54 is: 9,971,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,288.04 : 18,405,545.85 = 7,225,716.54 : x
  2. Step 2: Convert to fraction form
    13,337,288.04/18,405,545.85 = 7,225,716.54/x
  3. Step 3: Cross multiply
    13,337,288.04x = 18,405,545.85 × 7,225,716.54
  4. Step 4: Simplify right side
    13,337,288.04x = 132,993,257,076,073.38
  5. Step 5: Solve for x
    x = 132,993,257,076,073.38/13,337,288.04
  6. Step 6: Final answer
    x = 9,971,536.69

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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.