Home / 12,130,201.64-16,739,759.20-6,623,614.73

Finding the Fourth Proportional to 12,130,201.64, 16,739,759.20 and 6,623,614.73

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Solution

The fourth proportional to 12,130,201.64, 16,739,759.20 and 6,623,614.73 is: 9,140,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,201.64 : 16,739,759.20 = 6,623,614.73 : x
  2. Step 2: Convert to fraction form
    12,130,201.64/16,739,759.20 = 6,623,614.73/x
  3. Step 3: Cross multiply
    12,130,201.64x = 16,739,759.20 × 6,623,614.73
  4. Step 4: Simplify right side
    12,130,201.64x = 110,877,715,639,063.38
  5. Step 5: Solve for x
    x = 110,877,715,639,063.38/12,130,201.64
  6. Step 6: Final answer
    x = 9,140,632.52

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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.