Home / 12,020,608.98-17,987,813.07-10,406,928.42

Finding the Fourth Proportional to 12,020,608.98, 17,987,813.07 and 10,406,928.42

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Solution

The fourth proportional to 12,020,608.98, 17,987,813.07 and 10,406,928.42 is: 15,573,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,608.98 : 17,987,813.07 = 10,406,928.42 : x
  2. Step 2: Convert to fraction form
    12,020,608.98/17,987,813.07 = 10,406,928.42/x
  3. Step 3: Cross multiply
    12,020,608.98x = 17,987,813.07 × 10,406,928.42
  4. Step 4: Simplify right side
    12,020,608.98x = 187,197,883,051,830.44
  5. Step 5: Solve for x
    x = 187,197,883,051,830.44/12,020,608.98
  6. Step 6: Final answer
    x = 15,573,078.15

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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.