Home / 28,260,043.20-42,408,727.20-16,129,483.20

Finding the Fourth Proportional to 28,260,043.20, 42,408,727.20 and 16,129,483.20

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Solution

The fourth proportional to 28,260,043.20, 42,408,727.20 and 16,129,483.20 is: 24,204,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260,043.20 : 42,408,727.20 = 16,129,483.20 : x
  2. Step 2: Convert to fraction form
    28,260,043.20/42,408,727.20 = 16,129,483.20/x
  3. Step 3: Cross multiply
    28,260,043.20x = 42,408,727.20 × 16,129,483.20
  4. Step 4: Simplify right side
    28,260,043.20x = 684,030,852,905,783
  5. Step 5: Solve for x
    x = 684,030,852,905,783/28,260,043.20
  6. Step 6: Final answer
    x = 24,204,876.41

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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.