Home / 9,285,948.90-12,813,984.99-5,155,766.60

Finding the Fourth Proportional to 9,285,948.90, 12,813,984.99 and 5,155,766.60

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Solution

The fourth proportional to 9,285,948.90, 12,813,984.99 and 5,155,766.60 is: 7,114,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285,948.90 : 12,813,984.99 = 5,155,766.60 : x
  2. Step 2: Convert to fraction form
    9,285,948.90/12,813,984.99 = 5,155,766.60/x
  3. Step 3: Cross multiply
    9,285,948.90x = 12,813,984.99 × 5,155,766.60
  4. Step 4: Simplify right side
    9,285,948.90x = 66,065,915,760,273.41
  5. Step 5: Solve for x
    x = 66,065,915,760,273.41/9,285,948.90
  6. Step 6: Final answer
    x = 7,114,611.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.