Home / 13,784,350.61-20,678,771.91-4,069,945.60

Finding the Fourth Proportional to 13,784,350.61, 20,678,771.91 and 4,069,945.60

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Solution

The fourth proportional to 13,784,350.61, 20,678,771.91 and 4,069,945.60 is: 6,105,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784,350.61 : 20,678,771.91 = 4,069,945.60 : x
  2. Step 2: Convert to fraction form
    13,784,350.61/20,678,771.91 = 4,069,945.60/x
  3. Step 3: Cross multiply
    13,784,350.61x = 20,678,771.91 × 4,069,945.60
  4. Step 4: Simplify right side
    13,784,350.61x = 84,161,476,748,508.09
  5. Step 5: Solve for x
    x = 84,161,476,748,508.09/13,784,350.61
  6. Step 6: Final answer
    x = 6,105,581.55

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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.