Home / 13,221,026.20-19,831,539.30-11,331,458.20

Finding the Fourth Proportional to 13,221,026.20, 19,831,539.30 and 11,331,458.20

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Solution

The fourth proportional to 13,221,026.20, 19,831,539.30 and 11,331,458.20 is: 16,997,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221,026.20 : 19,831,539.30 = 11,331,458.20 : x
  2. Step 2: Convert to fraction form
    13,221,026.20/19,831,539.30 = 11,331,458.20/x
  3. Step 3: Cross multiply
    13,221,026.20x = 19,831,539.30 × 11,331,458.20
  4. Step 4: Simplify right side
    13,221,026.20x = 224,720,258,619,607.25
  5. Step 5: Solve for x
    x = 224,720,258,619,607.25/13,221,026.20
  6. Step 6: Final answer
    x = 16,997,187.30

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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.