Home / 27,960,451.37-38,565,546.77-18,663,334.01

Finding the Fourth Proportional to 27,960,451.37, 38,565,546.77 and 18,663,334.01

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Solution

The fourth proportional to 27,960,451.37, 38,565,546.77 and 18,663,334.01 is: 25,742,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,451.37 : 38,565,546.77 = 18,663,334.01 : x
  2. Step 2: Convert to fraction form
    27,960,451.37/38,565,546.77 = 18,663,334.01/x
  3. Step 3: Cross multiply
    27,960,451.37x = 38,565,546.77 × 18,663,334.01
  4. Step 4: Simplify right side
    27,960,451.37x = 719,761,680,553,470
  5. Step 5: Solve for x
    x = 719,761,680,553,470/27,960,451.37
  6. Step 6: Final answer
    x = 25,742,133.81

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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.