Home / 7,985,270.96-11,977,900.91-1,920,000.68

Finding the Fourth Proportional to 7,985,270.96, 11,977,900.91 and 1,920,000.68

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Solution

The fourth proportional to 7,985,270.96, 11,977,900.91 and 1,920,000.68 is: 2,879,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985,270.96 : 11,977,900.91 = 1,920,000.68 : x
  2. Step 2: Convert to fraction form
    7,985,270.96/11,977,900.91 = 1,920,000.68/x
  3. Step 3: Cross multiply
    7,985,270.96x = 11,977,900.91 × 1,920,000.68
  4. Step 4: Simplify right side
    7,985,270.96x = 22,997,577,882,572.61
  5. Step 5: Solve for x
    x = 22,997,577,882,572.61/7,985,270.96
  6. Step 6: Final answer
    x = 2,879,999.69

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