Home / 13,539,426.74-20,318,836.81-5,763,792.55

Finding the Fourth Proportional to 13,539,426.74, 20,318,836.81 and 5,763,792.55

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Solution

The fourth proportional to 13,539,426.74, 20,318,836.81 and 5,763,792.55 is: 8,649,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539,426.74 : 20,318,836.81 = 5,763,792.55 : x
  2. Step 2: Convert to fraction form
    13,539,426.74/20,318,836.81 = 5,763,792.55/x
  3. Step 3: Cross multiply
    13,539,426.74x = 20,318,836.81 × 5,763,792.55
  4. Step 4: Simplify right side
    13,539,426.74x = 117,113,560,155,842.17
  5. Step 5: Solve for x
    x = 117,113,560,155,842.17/13,539,426.74
  6. Step 6: Final answer
    x = 8,649,816.75

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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.