Home / 28,508,003.40-42,762,005.10-28,082,850.60

Finding the Fourth Proportional to 28,508,003.40, 42,762,005.10 and 28,082,850.60

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Solution

The fourth proportional to 28,508,003.40, 42,762,005.10 and 28,082,850.60 is: 42,124,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,003.40 : 42,762,005.10 = 28,082,850.60 : x
  2. Step 2: Convert to fraction form
    28,508,003.40/42,762,005.10 = 28,082,850.60/x
  3. Step 3: Cross multiply
    28,508,003.40x = 42,762,005.10 × 28,082,850.60
  4. Step 4: Simplify right side
    28,508,003.40x = 1,200,879,000,579,738.25
  5. Step 5: Solve for x
    x = 1,200,879,000,579,738.25/28,508,003.40
  6. Step 6: Final answer
    x = 42,124,275.90

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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.