Home / 19,186,949.37-26,480,690.54-12,215,399.93

Finding the Fourth Proportional to 19,186,949.37, 26,480,690.54 and 12,215,399.93

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Solution

The fourth proportional to 19,186,949.37, 26,480,690.54 and 12,215,399.93 is: 16,858,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,949.37 : 26,480,690.54 = 12,215,399.93 : x
  2. Step 2: Convert to fraction form
    19,186,949.37/26,480,690.54 = 12,215,399.93/x
  3. Step 3: Cross multiply
    19,186,949.37x = 26,480,690.54 × 12,215,399.93
  4. Step 4: Simplify right side
    19,186,949.37x = 323,472,225,368,667.62
  5. Step 5: Solve for x
    x = 323,472,225,368,667.62/19,186,949.37
  6. Step 6: Final answer
    x = 16,858,971.12

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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.