Home / 19,801,999.40-29,698,851.90-9,711,861.80

Finding the Fourth Proportional to 19,801,999.40, 29,698,851.90 and 9,711,861.80

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Solution

The fourth proportional to 19,801,999.40, 29,698,851.90 and 9,711,861.80 is: 14,565,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801,999.40 : 29,698,851.90 = 9,711,861.80 : x
  2. Step 2: Convert to fraction form
    19,801,999.40/29,698,851.90 = 9,711,861.80/x
  3. Step 3: Cross multiply
    19,801,999.40x = 29,698,851.90 × 9,711,861.80
  4. Step 4: Simplify right side
    19,801,999.40x = 288,431,145,271,467.44
  5. Step 5: Solve for x
    x = 288,431,145,271,467.44/19,801,999.40
  6. Step 6: Final answer
    x = 14,565,758.71

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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.