Home / 18,938,644.01-28,407,794.68-5,984,796.80

Finding the Fourth Proportional to 18,938,644.01, 28,407,794.68 and 5,984,796.80

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Solution

The fourth proportional to 18,938,644.01, 28,407,794.68 and 5,984,796.80 is: 8,977,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,938,644.01 : 28,407,794.68 = 5,984,796.80 : x
  2. Step 2: Convert to fraction form
    18,938,644.01/28,407,794.68 = 5,984,796.80/x
  3. Step 3: Cross multiply
    18,938,644.01x = 28,407,794.68 × 5,984,796.80
  4. Step 4: Simplify right side
    18,938,644.01x = 170,014,878,751,978.50
  5. Step 5: Solve for x
    x = 170,014,878,751,978.50/18,938,644.01
  6. Step 6: Final answer
    x = 8,977,141.06

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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.