Home / 12,483,762.75-18,725,644.13-3,508,314.75

Finding the Fourth Proportional to 12,483,762.75, 18,725,644.13 and 3,508,314.75

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Solution

The fourth proportional to 12,483,762.75, 18,725,644.13 and 3,508,314.75 is: 5,262,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,762.75 : 18,725,644.13 = 3,508,314.75 : x
  2. Step 2: Convert to fraction form
    12,483,762.75/18,725,644.13 = 3,508,314.75/x
  3. Step 3: Cross multiply
    12,483,762.75x = 18,725,644.13 × 3,508,314.75
  4. Step 4: Simplify right side
    12,483,762.75x = 65,695,453,486,988.34
  5. Step 5: Solve for x
    x = 65,695,453,486,988.34/12,483,762.75
  6. Step 6: Final answer
    x = 5,262,472.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.