Home / 8,271,665.80-12,407,498.70-4,020,137.80

Finding the Fourth Proportional to 8,271,665.80, 12,407,498.70 and 4,020,137.80

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Solution

The fourth proportional to 8,271,665.80, 12,407,498.70 and 4,020,137.80 is: 6,030,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,665.80 : 12,407,498.70 = 4,020,137.80 : x
  2. Step 2: Convert to fraction form
    8,271,665.80/12,407,498.70 = 4,020,137.80/x
  3. Step 3: Cross multiply
    8,271,665.80x = 12,407,498.70 × 4,020,137.80
  4. Step 4: Simplify right side
    8,271,665.80x = 49,879,854,527,320.85
  5. Step 5: Solve for x
    x = 49,879,854,527,320.85/8,271,665.80
  6. Step 6: Final answer
    x = 6,030,206.70

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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.