Home / 15,047,840.30-20,767,792.38-8,936,268.80

Finding the Fourth Proportional to 15,047,840.30, 20,767,792.38 and 8,936,268.80

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Solution

The fourth proportional to 15,047,840.30, 20,767,792.38 and 8,936,268.80 is: 12,333,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047,840.30 : 20,767,792.38 = 8,936,268.80 : x
  2. Step 2: Convert to fraction form
    15,047,840.30/20,767,792.38 = 8,936,268.80/x
  3. Step 3: Cross multiply
    15,047,840.30x = 20,767,792.38 × 8,936,268.80
  4. Step 4: Simplify right side
    15,047,840.30x = 185,586,575,090,271.75
  5. Step 5: Solve for x
    x = 185,586,575,090,271.75/15,047,840.30
  6. Step 6: Final answer
    x = 12,333,103.71

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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.