Home / 13,920,419.60-20,888,240.36-5,401,092.32

Finding the Fourth Proportional to 13,920,419.60, 20,888,240.36 and 5,401,092.32

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Solution

The fourth proportional to 13,920,419.60, 20,888,240.36 and 5,401,092.32 is: 8,104,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920,419.60 : 20,888,240.36 = 5,401,092.32 : x
  2. Step 2: Convert to fraction form
    13,920,419.60/20,888,240.36 = 5,401,092.32/x
  3. Step 3: Cross multiply
    13,920,419.60x = 20,888,240.36 × 5,401,092.32
  4. Step 4: Simplify right side
    13,920,419.60x = 112,819,314,586,710.03
  5. Step 5: Solve for x
    x = 112,819,314,586,710.03/13,920,419.60
  6. Step 6: Final answer
    x = 8,104,591.52

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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.