Home / 28,119,738.60-42,081,630.30-16,768,333.80

Finding the Fourth Proportional to 28,119,738.60, 42,081,630.30 and 16,768,333.80

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Solution

The fourth proportional to 28,119,738.60, 42,081,630.30 and 16,768,333.80 is: 25,094,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119,738.60 : 42,081,630.30 = 16,768,333.80 : x
  2. Step 2: Convert to fraction form
    28,119,738.60/42,081,630.30 = 16,768,333.80/x
  3. Step 3: Cross multiply
    28,119,738.60x = 42,081,630.30 × 16,768,333.80
  4. Step 4: Simplify right side
    28,119,738.60x = 705,638,823,718,594.12
  5. Step 5: Solve for x
    x = 705,638,823,718,594.12/28,119,738.60
  6. Step 6: Final answer
    x = 25,094,074.80

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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.