Home / 10,288,784.64-15,431,674.45-3,000,285.96

Finding the Fourth Proportional to 10,288,784.64, 15,431,674.45 and 3,000,285.96

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Solution

The fourth proportional to 10,288,784.64, 15,431,674.45 and 3,000,285.96 is: 4,499,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288,784.64 : 15,431,674.45 = 3,000,285.96 : x
  2. Step 2: Convert to fraction form
    10,288,784.64/15,431,674.45 = 3,000,285.96/x
  3. Step 3: Cross multiply
    10,288,784.64x = 15,431,674.45 × 3,000,285.96
  4. Step 4: Simplify right side
    10,288,784.64x = 46,299,436,191,625.72
  5. Step 5: Solve for x
    x = 46,299,436,191,625.72/10,288,784.64
  6. Step 6: Final answer
    x = 4,499,990.80

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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.