Home / 12,090,170.98-18,142,342.35-8,674,776.82

Finding the Fourth Proportional to 12,090,170.98, 18,142,342.35 and 8,674,776.82

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Solution

The fourth proportional to 12,090,170.98, 18,142,342.35 and 8,674,776.82 is: 13,017,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090,170.98 : 18,142,342.35 = 8,674,776.82 : x
  2. Step 2: Convert to fraction form
    12,090,170.98/18,142,342.35 = 8,674,776.82/x
  3. Step 3: Cross multiply
    12,090,170.98x = 18,142,342.35 × 8,674,776.82
  4. Step 4: Simplify right side
    12,090,170.98x = 157,380,770,878,284.34
  5. Step 5: Solve for x
    x = 157,380,770,878,284.34/12,090,170.98
  6. Step 6: Final answer
    x = 13,017,249.40

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1.5x scale

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.