Home / 28,998,192.12-40,016,135.07-15,946,001.16

Finding the Fourth Proportional to 28,998,192.12, 40,016,135.07 and 15,946,001.16

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Solution

The fourth proportional to 28,998,192.12, 40,016,135.07 and 15,946,001.16 is: 22,004,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998,192.12 : 40,016,135.07 = 15,946,001.16 : x
  2. Step 2: Convert to fraction form
    28,998,192.12/40,016,135.07 = 15,946,001.16/x
  3. Step 3: Cross multiply
    28,998,192.12x = 40,016,135.07 × 15,946,001.16
  4. Step 4: Simplify right side
    28,998,192.12x = 638,097,336,244,936.75
  5. Step 5: Solve for x
    x = 638,097,336,244,936.75/28,998,192.12
  6. Step 6: Final answer
    x = 22,004,728.21

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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.