Home / 13,977,774.40-19,290,122.64-8,397,727.60

Finding the Fourth Proportional to 13,977,774.40, 19,290,122.64 and 8,397,727.60

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Solution

The fourth proportional to 13,977,774.40, 19,290,122.64 and 8,397,727.60 is: 11,589,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,774.40 : 19,290,122.64 = 8,397,727.60 : x
  2. Step 2: Convert to fraction form
    13,977,774.40/19,290,122.64 = 8,397,727.60/x
  3. Step 3: Cross multiply
    13,977,774.40x = 19,290,122.64 × 8,397,727.60
  4. Step 4: Simplify right side
    13,977,774.40x = 161,993,195,301,312.88
  5. Step 5: Solve for x
    x = 161,993,195,301,312.88/13,977,774.40
  6. Step 6: Final answer
    x = 11,589,341.10

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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.