Home / 13,141,085.20-18,134,504.58-7,339,951.60

Finding the Fourth Proportional to 13,141,085.20, 18,134,504.58 and 7,339,951.60

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Solution

The fourth proportional to 13,141,085.20, 18,134,504.58 and 7,339,951.60 is: 10,129,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,085.20 : 18,134,504.58 = 7,339,951.60 : x
  2. Step 2: Convert to fraction form
    13,141,085.20/18,134,504.58 = 7,339,951.60/x
  3. Step 3: Cross multiply
    13,141,085.20x = 18,134,504.58 × 7,339,951.60
  4. Step 4: Simplify right side
    13,141,085.20x = 133,106,385,907,178.31
  5. Step 5: Solve for x
    x = 133,106,385,907,178.31/13,141,085.20
  6. Step 6: Final answer
    x = 10,129,025.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.