Home / 13,478,840.20-20,220,884.70-5,802,470.20

Finding the Fourth Proportional to 13,478,840.20, 20,220,884.70 and 5,802,470.20

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Solution

The fourth proportional to 13,478,840.20, 20,220,884.70 and 5,802,470.20 is: 8,704,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,840.20 : 20,220,884.70 = 5,802,470.20 : x
  2. Step 2: Convert to fraction form
    13,478,840.20/20,220,884.70 = 5,802,470.20/x
  3. Step 3: Cross multiply
    13,478,840.20x = 20,220,884.70 × 5,802,470.20
  4. Step 4: Simplify right side
    13,478,840.20x = 117,331,080,889,385.94
  5. Step 5: Solve for x
    x = 117,331,080,889,385.94/13,478,840.20
  6. Step 6: Final answer
    x = 8,704,835.07

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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.