Home / 8,271,646.80-12,407,470.20-4,020,118.80

Finding the Fourth Proportional to 8,271,646.80, 12,407,470.20 and 4,020,118.80

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Solution

The fourth proportional to 8,271,646.80, 12,407,470.20 and 4,020,118.80 is: 6,030,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,646.80 : 12,407,470.20 = 4,020,118.80 : x
  2. Step 2: Convert to fraction form
    8,271,646.80/12,407,470.20 = 4,020,118.80/x
  3. Step 3: Cross multiply
    8,271,646.80x = 12,407,470.20 × 4,020,118.80
  4. Step 4: Simplify right side
    8,271,646.80x = 49,879,504,211,459.76
  5. Step 5: Solve for x
    x = 49,879,504,211,459.76/8,271,646.80
  6. Step 6: Final answer
    x = 6,030,178.20

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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.