Home / 13,890,299.60-20,823,007.80-9,100,283.60

Finding the Fourth Proportional to 13,890,299.60, 20,823,007.80 and 9,100,283.60

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Solution

The fourth proportional to 13,890,299.60, 20,823,007.80 and 9,100,283.60 is: 13,642,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,299.60 : 20,823,007.80 = 9,100,283.60 : x
  2. Step 2: Convert to fraction form
    13,890,299.60/20,823,007.80 = 9,100,283.60/x
  3. Step 3: Cross multiply
    13,890,299.60x = 20,823,007.80 × 9,100,283.60
  4. Step 4: Simplify right side
    13,890,299.60x = 189,495,276,385,012.09
  5. Step 5: Solve for x
    x = 189,495,276,385,012.09/13,890,299.60
  6. Step 6: Final answer
    x = 13,642,274.24

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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.