Home / 12,097,004.40-18,145,506.60-9,969,490.80

Finding the Fourth Proportional to 12,097,004.40, 18,145,506.60 and 9,969,490.80

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Solution

The fourth proportional to 12,097,004.40, 18,145,506.60 and 9,969,490.80 is: 14,954,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,004.40 : 18,145,506.60 = 9,969,490.80 : x
  2. Step 2: Convert to fraction form
    12,097,004.40/18,145,506.60 = 9,969,490.80/x
  3. Step 3: Cross multiply
    12,097,004.40x = 18,145,506.60 × 9,969,490.80
  4. Step 4: Simplify right side
    12,097,004.40x = 180,901,461,110,039.31
  5. Step 5: Solve for x
    x = 180,901,461,110,039.31/12,097,004.40
  6. Step 6: Final answer
    x = 14,954,236.20

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1.5x scale

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.