Home / 15,268,855.07-21,070,486.54-8,393,287.93

Finding the Fourth Proportional to 15,268,855.07, 21,070,486.54 and 8,393,287.93

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Solution

The fourth proportional to 15,268,855.07, 21,070,486.54 and 8,393,287.93 is: 11,582,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,855.07 : 21,070,486.54 = 8,393,287.93 : x
  2. Step 2: Convert to fraction form
    15,268,855.07/21,070,486.54 = 8,393,287.93/x
  3. Step 3: Cross multiply
    15,268,855.07x = 21,070,486.54 × 8,393,287.93
  4. Step 4: Simplify right side
    15,268,855.07x = 176,850,660,355,409.44
  5. Step 5: Solve for x
    x = 176,850,660,355,409.44/15,268,855.07
  6. Step 6: Final answer
    x = 11,582,444.10

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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.