Home / 13,610,921.66-18,782,835.38-7,416,019.28

Finding the Fourth Proportional to 13,610,921.66, 18,782,835.38 and 7,416,019.28

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Solution

The fourth proportional to 13,610,921.66, 18,782,835.38 and 7,416,019.28 is: 10,233,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,921.66 : 18,782,835.38 = 7,416,019.28 : x
  2. Step 2: Convert to fraction form
    13,610,921.66/18,782,835.38 = 7,416,019.28/x
  3. Step 3: Cross multiply
    13,610,921.66x = 18,782,835.38 × 7,416,019.28
  4. Step 4: Simplify right side
    13,610,921.66x = 139,293,869,180,151.86
  5. Step 5: Solve for x
    x = 139,293,869,180,151.86/13,610,921.66
  6. Step 6: Final answer
    x = 10,233,977.74

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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.