Home / 12,405,390.80-18,608,086.20-9,571,038.80

Finding the Fourth Proportional to 12,405,390.80, 18,608,086.20 and 9,571,038.80

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Solution

The fourth proportional to 12,405,390.80, 18,608,086.20 and 9,571,038.80 is: 14,356,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,390.80 : 18,608,086.20 = 9,571,038.80 : x
  2. Step 2: Convert to fraction form
    12,405,390.80/18,608,086.20 = 9,571,038.80/x
  3. Step 3: Cross multiply
    12,405,390.80x = 18,608,086.20 × 9,571,038.80
  4. Step 4: Simplify right side
    12,405,390.80x = 178,098,715,013,944.56
  5. Step 5: Solve for x
    x = 178,098,715,013,944.56/12,405,390.80
  6. Step 6: Final answer
    x = 14,356,558.20

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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.