Home / 28,430,859.86-42,646,414.62-9,000,181.28

Finding the Fourth Proportional to 28,430,859.86, 42,646,414.62 and 9,000,181.28

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Solution

The fourth proportional to 28,430,859.86, 42,646,414.62 and 9,000,181.28 is: 13,500,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,859.86 : 42,646,414.62 = 9,000,181.28 : x
  2. Step 2: Convert to fraction form
    28,430,859.86/42,646,414.62 = 9,000,181.28/x
  3. Step 3: Cross multiply
    28,430,859.86x = 42,646,414.62 × 9,000,181.28
  4. Step 4: Simplify right side
    28,430,859.86x = 383,825,462,522,042.25
  5. Step 5: Solve for x
    x = 383,825,462,522,042.25/28,430,859.86
  6. Step 6: Final answer
    x = 13,500,311.44

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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.