Home / 21,978,036.20-32,967,054.30-15,175,591.40

Finding the Fourth Proportional to 21,978,036.20, 32,967,054.30 and 15,175,591.40

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Solution

The fourth proportional to 21,978,036.20, 32,967,054.30 and 15,175,591.40 is: 22,763,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,978,036.20 : 32,967,054.30 = 15,175,591.40 : x
  2. Step 2: Convert to fraction form
    21,978,036.20/32,967,054.30 = 15,175,591.40/x
  3. Step 3: Cross multiply
    21,978,036.20x = 32,967,054.30 × 15,175,591.40
  4. Step 4: Simplify right side
    21,978,036.20x = 500,294,545,718,413.06
  5. Step 5: Solve for x
    x = 500,294,545,718,413.06/21,978,036.20
  6. Step 6: Final answer
    x = 22,763,387.10

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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.