Home / 28,260,081.40-42,401,181.30-10,310,999.80

Finding the Fourth Proportional to 28,260,081.40, 42,401,181.30 and 10,310,999.80

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Solution

The fourth proportional to 28,260,081.40, 42,401,181.30 and 10,310,999.80 is: 15,470,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260,081.40 : 42,401,181.30 = 10,310,999.80 : x
  2. Step 2: Convert to fraction form
    28,260,081.40/42,401,181.30 = 10,310,999.80/x
  3. Step 3: Cross multiply
    28,260,081.40x = 42,401,181.30 × 10,310,999.80
  4. Step 4: Simplify right side
    28,260,081.40x = 437,198,571,904,063.75
  5. Step 5: Solve for x
    x = 437,198,571,904,063.75/28,260,081.40
  6. Step 6: Final answer
    x = 15,470,534.77

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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.