Home / 16,686,738.40-25,030,107.60-5,328,018.40

Finding the Fourth Proportional to 16,686,738.40, 25,030,107.60 and 5,328,018.40

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Solution

The fourth proportional to 16,686,738.40, 25,030,107.60 and 5,328,018.40 is: 7,992,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686,738.40 : 25,030,107.60 = 5,328,018.40 : x
  2. Step 2: Convert to fraction form
    16,686,738.40/25,030,107.60 = 5,328,018.40/x
  3. Step 3: Cross multiply
    16,686,738.40x = 25,030,107.60 × 5,328,018.40
  4. Step 4: Simplify right side
    16,686,738.40x = 133,360,873,846,779.86
  5. Step 5: Solve for x
    x = 133,360,873,846,779.86/16,686,738.40
  6. Step 6: Final answer
    x = 7,992,027.60

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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.