Home / 13,028,438.20-19,542,657.30-10,938,249.40

Finding the Fourth Proportional to 13,028,438.20, 19,542,657.30 and 10,938,249.40

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Solution

The fourth proportional to 13,028,438.20, 19,542,657.30 and 10,938,249.40 is: 16,407,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,438.20 : 19,542,657.30 = 10,938,249.40 : x
  2. Step 2: Convert to fraction form
    13,028,438.20/19,542,657.30 = 10,938,249.40/x
  3. Step 3: Cross multiply
    13,028,438.20x = 19,542,657.30 × 10,938,249.40
  4. Step 4: Simplify right side
    13,028,438.20x = 213,762,459,486,130.62
  5. Step 5: Solve for x
    x = 213,762,459,486,130.62/13,028,438.20
  6. Step 6: Final answer
    x = 16,407,374.10

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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.