Home / 28,083,611.20-42,125,416.80-23,778,939.10

Finding the Fourth Proportional to 28,083,611.20, 42,125,416.80 and 23,778,939.10

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Solution

The fourth proportional to 28,083,611.20, 42,125,416.80 and 23,778,939.10 is: 35,668,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,611.20 : 42,125,416.80 = 23,778,939.10 : x
  2. Step 2: Convert to fraction form
    28,083,611.20/42,125,416.80 = 23,778,939.10/x
  3. Step 3: Cross multiply
    28,083,611.20x = 42,125,416.80 × 23,778,939.10
  4. Step 4: Simplify right side
    28,083,611.20x = 1,001,697,720,649,316.88
  5. Step 5: Solve for x
    x = 1,001,697,720,649,316.88/28,083,611.20
  6. Step 6: Final answer
    x = 35,668,408.65

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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.