Home / 18,749,490.72-28,114,932.42-5,968,333.86

Finding the Fourth Proportional to 18,749,490.72, 28,114,932.42 and 5,968,333.86

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Solution

The fourth proportional to 18,749,490.72, 28,114,932.42 and 5,968,333.86 is: 8,949,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749,490.72 : 28,114,932.42 = 5,968,333.86 : x
  2. Step 2: Convert to fraction form
    18,749,490.72/28,114,932.42 = 5,968,333.86/x
  3. Step 3: Cross multiply
    18,749,490.72x = 28,114,932.42 × 5,968,333.86
  4. Step 4: Simplify right side
    18,749,490.72x = 167,799,303,133,897.75
  5. Step 5: Solve for x
    x = 167,799,303,133,897.75/18,749,490.72
  6. Step 6: Final answer
    x = 8,949,539.25

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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.