Home / 13,977,775.40-19,290,124.02-8,397,728.60

Finding the Fourth Proportional to 13,977,775.40, 19,290,124.02 and 8,397,728.60

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Solution

The fourth proportional to 13,977,775.40, 19,290,124.02 and 8,397,728.60 is: 11,589,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,775.40 : 19,290,124.02 = 8,397,728.60 : x
  2. Step 2: Convert to fraction form
    13,977,775.40/19,290,124.02 = 8,397,728.60/x
  3. Step 3: Cross multiply
    13,977,775.40x = 19,290,124.02 × 8,397,728.60
  4. Step 4: Simplify right side
    13,977,775.40x = 161,993,226,180,300.97
  5. Step 5: Solve for x
    x = 161,993,226,180,300.97/13,977,775.40
  6. Step 6: Final answer
    x = 11,589,342.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.