Home / 13,784,348.61-20,678,768.91-4,069,943.60

Finding the Fourth Proportional to 13,784,348.61, 20,678,768.91 and 4,069,943.60

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Solution

The fourth proportional to 13,784,348.61, 20,678,768.91 and 4,069,943.60 is: 6,105,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784,348.61 : 20,678,768.91 = 4,069,943.60 : x
  2. Step 2: Convert to fraction form
    13,784,348.61/20,678,768.91 = 4,069,943.60/x
  3. Step 3: Cross multiply
    13,784,348.61x = 20,678,768.91 × 4,069,943.60
  4. Step 4: Simplify right side
    13,784,348.61x = 84,161,423,077,739.64
  5. Step 5: Solve for x
    x = 84,161,423,077,739.64/13,784,348.61
  6. Step 6: Final answer
    x = 6,105,578.54

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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.