Home / 28,605,764.21-39,477,304.19-16,216,097.76

Finding the Fourth Proportional to 28,605,764.21, 39,477,304.19 and 16,216,097.76

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Solution

The fourth proportional to 28,605,764.21, 39,477,304.19 and 16,216,097.76 is: 22,378,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605,764.21 : 39,477,304.19 = 16,216,097.76 : x
  2. Step 2: Convert to fraction form
    28,605,764.21/39,477,304.19 = 16,216,097.76/x
  3. Step 3: Cross multiply
    28,605,764.21x = 39,477,304.19 × 16,216,097.76
  4. Step 4: Simplify right side
    28,605,764.21x = 640,167,824,086,837.88
  5. Step 5: Solve for x
    x = 640,167,824,086,837.88/28,605,764.21
  6. Step 6: Final answer
    x = 22,378,979.97

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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.