Home / 8,042,235.40-12,065,102.70-2,649,968.20

Finding the Fourth Proportional to 8,042,235.40, 12,065,102.70 and 2,649,968.20

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Solution

The fourth proportional to 8,042,235.40, 12,065,102.70 and 2,649,968.20 is: 3,975,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042,235.40 : 12,065,102.70 = 2,649,968.20 : x
  2. Step 2: Convert to fraction form
    8,042,235.40/12,065,102.70 = 2,649,968.20/x
  3. Step 3: Cross multiply
    8,042,235.40x = 12,065,102.70 × 2,649,968.20
  4. Step 4: Simplify right side
    8,042,235.40x = 31,972,138,484,734.14
  5. Step 5: Solve for x
    x = 31,972,138,484,734.14/8,042,235.40
  6. Step 6: Final answer
    x = 3,975,528.80

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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.