Home / 13,297,766.40-19,947,686.40-5,724,979.20

Finding the Fourth Proportional to 13,297,766.40, 19,947,686.40 and 5,724,979.20

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Solution

The fourth proportional to 13,297,766.40, 19,947,686.40 and 5,724,979.20 is: 8,587,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297,766.40 : 19,947,686.40 = 5,724,979.20 : x
  2. Step 2: Convert to fraction form
    13,297,766.40/19,947,686.40 = 5,724,979.20/x
  3. Step 3: Cross multiply
    13,297,766.40x = 19,947,686.40 × 5,724,979.20
  4. Step 4: Simplify right side
    13,297,766.40x = 114,200,089,728,122.88
  5. Step 5: Solve for x
    x = 114,200,089,728,122.88/13,297,766.40
  6. Step 6: Final answer
    x = 8,587,915.17

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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.