Home / 27,510,325.56-37,964,643.78-15,121,565.92

Finding the Fourth Proportional to 27,510,325.56, 37,964,643.78 and 15,121,565.92

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Solution

The fourth proportional to 27,510,325.56, 37,964,643.78 and 15,121,565.92 is: 20,867,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,510,325.56 : 37,964,643.78 = 15,121,565.92 : x
  2. Step 2: Convert to fraction form
    27,510,325.56/37,964,643.78 = 15,121,565.92/x
  3. Step 3: Cross multiply
    27,510,325.56x = 37,964,643.78 × 15,121,565.92
  4. Step 4: Simplify right side
    27,510,325.56x = 574,084,863,548,588
  5. Step 5: Solve for x
    x = 574,084,863,548,588/27,510,325.56
  6. Step 6: Final answer
    x = 20,867,977.82

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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.