Home / 20,803,629.60-31,193,002.80-10,725,933.60

Finding the Fourth Proportional to 20,803,629.60, 31,193,002.80 and 10,725,933.60

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Solution

The fourth proportional to 20,803,629.60, 31,193,002.80 and 10,725,933.60 is: 16,082,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,629.60 : 31,193,002.80 = 10,725,933.60 : x
  2. Step 2: Convert to fraction form
    20,803,629.60/31,193,002.80 = 10,725,933.60/x
  3. Step 3: Cross multiply
    20,803,629.60x = 31,193,002.80 × 10,725,933.60
  4. Step 4: Simplify right side
    20,803,629.60x = 334,574,076,817,414.06
  5. Step 5: Solve for x
    x = 334,574,076,817,414.06/20,803,629.60
  6. Step 6: Final answer
    x = 16,082,485.76

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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.