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Finding the Fourth Proportional to 15,978,036.10, 23,967,054.15 and 9,919,608.70

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Solution

The fourth proportional to 15,978,036.10, 23,967,054.15 and 9,919,608.70 is: 14,879,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,036.10 : 23,967,054.15 = 9,919,608.70 : x
  2. Step 2: Convert to fraction form
    15,978,036.10/23,967,054.15 = 9,919,608.70/x
  3. Step 3: Cross multiply
    15,978,036.10x = 23,967,054.15 × 9,919,608.70
  4. Step 4: Simplify right side
    15,978,036.10x = 237,743,798,859,711.06
  5. Step 5: Solve for x
    x = 237,743,798,859,711.06/15,978,036.10
  6. Step 6: Final answer
    x = 14,879,413.05

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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.