Home / 7,626,608.72-11,439,909.43-1,946,831.21

Finding the Fourth Proportional to 7,626,608.72, 11,439,909.43 and 1,946,831.21

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Solution

The fourth proportional to 7,626,608.72, 11,439,909.43 and 1,946,831.21 is: 2,920,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626,608.72 : 11,439,909.43 = 1,946,831.21 : x
  2. Step 2: Convert to fraction form
    7,626,608.72/11,439,909.43 = 1,946,831.21/x
  3. Step 3: Cross multiply
    7,626,608.72x = 11,439,909.43 × 1,946,831.21
  4. Step 4: Simplify right side
    7,626,608.72x = 22,271,572,717,897.31
  5. Step 5: Solve for x
    x = 22,271,572,717,897.31/7,626,608.72
  6. Step 6: Final answer
    x = 2,920,245.88

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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.