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Finding the Fourth Proportional to 13,646,978.28, 20,477,552.04 and 5,565,882.60

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Solution

The fourth proportional to 13,646,978.28, 20,477,552.04 and 5,565,882.60 is: 8,351,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,978.28 : 20,477,552.04 = 5,565,882.60 : x
  2. Step 2: Convert to fraction form
    13,646,978.28/20,477,552.04 = 5,565,882.60/x
  3. Step 3: Cross multiply
    13,646,978.28x = 20,477,552.04 × 5,565,882.60
  4. Step 4: Simplify right side
    13,646,978.28x = 113,975,650,590,030.48
  5. Step 5: Solve for x
    x = 113,975,650,590,030.48/13,646,978.28
  6. Step 6: Final answer
    x = 8,351,713.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.