Home / 12,724,981.25-19,063,388.46-7,522,013.93

Finding the Fourth Proportional to 12,724,981.25, 19,063,388.46 and 7,522,013.93

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Solution

The fourth proportional to 12,724,981.25, 19,063,388.46 and 7,522,013.93 is: 11,268,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724,981.25 : 19,063,388.46 = 7,522,013.93 : x
  2. Step 2: Convert to fraction form
    12,724,981.25/19,063,388.46 = 7,522,013.93/x
  3. Step 3: Cross multiply
    12,724,981.25x = 19,063,388.46 × 7,522,013.93
  4. Step 4: Simplify right side
    12,724,981.25x = 143,395,073,549,121.25
  5. Step 5: Solve for x
    x = 143,395,073,549,121.25/12,724,981.25
  6. Step 6: Final answer
    x = 11,268,784.66

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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.