Home / 28,388,002.10-42,582,003.15-28,089,403.70

Finding the Fourth Proportional to 28,388,002.10, 42,582,003.15 and 28,089,403.70

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Solution

The fourth proportional to 28,388,002.10, 42,582,003.15 and 28,089,403.70 is: 42,134,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388,002.10 : 42,582,003.15 = 28,089,403.70 : x
  2. Step 2: Convert to fraction form
    28,388,002.10/42,582,003.15 = 28,089,403.70/x
  3. Step 3: Cross multiply
    28,388,002.10x = 42,582,003.15 × 28,089,403.70
  4. Step 4: Simplify right side
    28,388,002.10x = 1,196,103,076,835,021.50
  5. Step 5: Solve for x
    x = 1,196,103,076,835,021.50/28,388,002.10
  6. Step 6: Final answer
    x = 42,134,105.55

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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.