Home / 8,196,990.80-12,303,359.40-4,158,039.20

Finding the Fourth Proportional to 8,196,990.80, 12,303,359.40 and 4,158,039.20

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Solution

The fourth proportional to 8,196,990.80, 12,303,359.40 and 4,158,039.20 is: 6,241,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,990.80 : 12,303,359.40 = 4,158,039.20 : x
  2. Step 2: Convert to fraction form
    8,196,990.80/12,303,359.40 = 4,158,039.20/x
  3. Step 3: Cross multiply
    8,196,990.80x = 12,303,359.40 × 4,158,039.20
  4. Step 4: Simplify right side
    8,196,990.80x = 51,157,850,676,888.48
  5. Step 5: Solve for x
    x = 51,157,850,676,888.48/8,196,990.80
  6. Step 6: Final answer
    x = 6,241,052.59

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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.