Home / 20,941,408.80-31,415,065.65-6,562,977.30

Finding the Fourth Proportional to 20,941,408.80, 31,415,065.65 and 6,562,977.30

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Solution

The fourth proportional to 20,941,408.80, 31,415,065.65 and 6,562,977.30 is: 9,845,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,408.80 : 31,415,065.65 = 6,562,977.30 : x
  2. Step 2: Convert to fraction form
    20,941,408.80/31,415,065.65 = 6,562,977.30/x
  3. Step 3: Cross multiply
    20,941,408.80x = 31,415,065.65 × 6,562,977.30
  4. Step 4: Simplify right side
    20,941,408.80x = 206,176,362,738,959.72
  5. Step 5: Solve for x
    x = 206,176,362,738,959.72/20,941,408.80
  6. Step 6: Final answer
    x = 9,845,391.24

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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.