Home / 13,820,423.60-20,702,880.54-6,883,004.45

Finding the Fourth Proportional to 13,820,423.60, 20,702,880.54 and 6,883,004.45

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Solution

The fourth proportional to 13,820,423.60, 20,702,880.54 and 6,883,004.45 is: 10,310,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820,423.60 : 20,702,880.54 = 6,883,004.45 : x
  2. Step 2: Convert to fraction form
    13,820,423.60/20,702,880.54 = 6,883,004.45/x
  3. Step 3: Cross multiply
    13,820,423.60x = 20,702,880.54 × 6,883,004.45
  4. Step 4: Simplify right side
    13,820,423.60x = 142,498,018,781,124
  5. Step 5: Solve for x
    x = 142,498,018,781,124/13,820,423.60
  6. Step 6: Final answer
    x = 10,310,683.88

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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.