Home / 29,126,431.80-43,689,647.70-12,085,327.80

Finding the Fourth Proportional to 29,126,431.80, 43,689,647.70 and 12,085,327.80

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Solution

The fourth proportional to 29,126,431.80, 43,689,647.70 and 12,085,327.80 is: 18,127,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126,431.80 : 43,689,647.70 = 12,085,327.80 : x
  2. Step 2: Convert to fraction form
    29,126,431.80/43,689,647.70 = 12,085,327.80/x
  3. Step 3: Cross multiply
    29,126,431.80x = 43,689,647.70 × 12,085,327.80
  4. Step 4: Simplify right side
    29,126,431.80x = 528,003,713,921,016.12
  5. Step 5: Solve for x
    x = 528,003,713,921,016.12/29,126,431.80
  6. Step 6: Final answer
    x = 18,127,991.70

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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.