Home / 18,799,484.24-28,194,647.88-7,863,762.80

Finding the Fourth Proportional to 18,799,484.24, 28,194,647.88 and 7,863,762.80

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Solution

The fourth proportional to 18,799,484.24, 28,194,647.88 and 7,863,762.80 is: 11,793,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799,484.24 : 28,194,647.88 = 7,863,762.80 : x
  2. Step 2: Convert to fraction form
    18,799,484.24/28,194,647.88 = 7,863,762.80/x
  3. Step 3: Cross multiply
    18,799,484.24x = 28,194,647.88 × 7,863,762.80
  4. Step 4: Simplify right side
    18,799,484.24x = 221,716,023,157,842.84
  5. Step 5: Solve for x
    x = 221,716,023,157,842.84/18,799,484.24
  6. Step 6: Final answer
    x = 11,793,729.04

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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.