Home / 19,292,960.21-28,917,425.32-7,771,052.57

Finding the Fourth Proportional to 19,292,960.21, 28,917,425.32 and 7,771,052.57

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Solution

The fourth proportional to 19,292,960.21, 28,917,425.32 and 7,771,052.57 is: 11,647,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292,960.21 : 28,917,425.32 = 7,771,052.57 : x
  2. Step 2: Convert to fraction form
    19,292,960.21/28,917,425.32 = 7,771,052.57/x
  3. Step 3: Cross multiply
    19,292,960.21x = 28,917,425.32 × 7,771,052.57
  4. Step 4: Simplify right side
    19,292,960.21x = 224,718,832,186,754.31
  5. Step 5: Solve for x
    x = 224,718,832,186,754.31/19,292,960.21
  6. Step 6: Final answer
    x = 11,647,711.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.