Home / 18,940,565.75-26,120,549.45-12,411,824.00

Finding the Fourth Proportional to 18,940,565.75, 26,120,549.45 and 12,411,824.00

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Solution

The fourth proportional to 18,940,565.75, 26,120,549.45 and 12,411,824.00 is: 17,116,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940,565.75 : 26,120,549.45 = 12,411,824.00 : x
  2. Step 2: Convert to fraction form
    18,940,565.75/26,120,549.45 = 12,411,824.00/x
  3. Step 3: Cross multiply
    18,940,565.75x = 26,120,549.45 × 12,411,824.00
  4. Step 4: Simplify right side
    18,940,565.75x = 324,203,662,364,034.94
  5. Step 5: Solve for x
    x = 324,203,662,364,034.94/18,940,565.75
  6. Step 6: Final answer
    x = 17,116,894.33

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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.