Home / 28,006,408.40-42,009,612.60-16,029,294.80

Finding the Fourth Proportional to 28,006,408.40, 42,009,612.60 and 16,029,294.80

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Solution

The fourth proportional to 28,006,408.40, 42,009,612.60 and 16,029,294.80 is: 24,043,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,408.40 : 42,009,612.60 = 16,029,294.80 : x
  2. Step 2: Convert to fraction form
    28,006,408.40/42,009,612.60 = 16,029,294.80/x
  3. Step 3: Cross multiply
    28,006,408.40x = 42,009,612.60 × 16,029,294.80
  4. Step 4: Simplify right side
    28,006,408.40x = 673,384,464,799,194.50
  5. Step 5: Solve for x
    x = 673,384,464,799,194.50/28,006,408.40
  6. Step 6: Final answer
    x = 24,043,942.20

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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.