Home / 21,558,675.92-32,173,022-19,258,367.45

Finding the Fourth Proportional to 21,558,675.92, 32,173,022 and 19,258,367.45

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Solution

The fourth proportional to 21,558,675.92, 32,173,022 and 19,258,367.45 is: 28,740,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558,675.92 : 32,173,022 = 19,258,367.45 : x
  2. Step 2: Convert to fraction form
    21,558,675.92/32,173,022 = 19,258,367.45/x
  3. Step 3: Cross multiply
    21,558,675.92x = 32,173,022 × 19,258,367.45
  4. Step 4: Simplify right side
    21,558,675.92x = 619,599,879,652,933.88
  5. Step 5: Solve for x
    x = 619,599,879,652,933.88/21,558,675.92
  6. Step 6: Final answer
    x = 28,740,163.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.