Home / 11,977,090.71-17,970,782.80-3,892,543.89

Finding the Fourth Proportional to 11,977,090.71, 17,970,782.80 and 3,892,543.89

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Solution

The fourth proportional to 11,977,090.71, 17,970,782.80 and 3,892,543.89 is: 5,840,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977,090.71 : 17,970,782.80 = 3,892,543.89 : x
  2. Step 2: Convert to fraction form
    11,977,090.71/17,970,782.80 = 3,892,543.89/x
  3. Step 3: Cross multiply
    11,977,090.71x = 17,970,782.80 × 3,892,543.89
  4. Step 4: Simplify right side
    11,977,090.71x = 69,952,060,786,657.09
  5. Step 5: Solve for x
    x = 69,952,060,786,657.09/11,977,090.71
  6. Step 6: Final answer
    x = 5,840,488.52

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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.