Home / 19,068,822.40-28,603,233.60-16,978,633.60

Finding the Fourth Proportional to 19,068,822.40, 28,603,233.60 and 16,978,633.60

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Solution

The fourth proportional to 19,068,822.40, 28,603,233.60 and 16,978,633.60 is: 25,467,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068,822.40 : 28,603,233.60 = 16,978,633.60 : x
  2. Step 2: Convert to fraction form
    19,068,822.40/28,603,233.60 = 16,978,633.60/x
  3. Step 3: Cross multiply
    19,068,822.40x = 28,603,233.60 × 16,978,633.60
  4. Step 4: Simplify right side
    19,068,822.40x = 485,643,823,069,609
  5. Step 5: Solve for x
    x = 485,643,823,069,609/19,068,822.40
  6. Step 6: Final answer
    x = 25,467,950.40

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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.