Home / 8,142,029.20-12,213,043.80-4,160,717.20

Finding the Fourth Proportional to 8,142,029.20, 12,213,043.80 and 4,160,717.20

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Solution

The fourth proportional to 8,142,029.20, 12,213,043.80 and 4,160,717.20 is: 6,241,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,029.20 : 12,213,043.80 = 4,160,717.20 : x
  2. Step 2: Convert to fraction form
    8,142,029.20/12,213,043.80 = 4,160,717.20/x
  3. Step 3: Cross multiply
    8,142,029.20x = 12,213,043.80 × 4,160,717.20
  4. Step 4: Simplify right side
    8,142,029.20x = 50,815,021,403,013.37
  5. Step 5: Solve for x
    x = 50,815,021,403,013.37/8,142,029.20
  6. Step 6: Final answer
    x = 6,241,075.80

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Similar ratio
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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.