Home / 30,572,203.56-42,192,072.12-17,520,676.80

Finding the Fourth Proportional to 30,572,203.56, 42,192,072.12 and 17,520,676.80

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Solution

The fourth proportional to 30,572,203.56, 42,192,072.12 and 17,520,676.80 is: 24,179,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,572,203.56 : 42,192,072.12 = 17,520,676.80 : x
  2. Step 2: Convert to fraction form
    30,572,203.56/42,192,072.12 = 17,520,676.80/x
  3. Step 3: Cross multiply
    30,572,203.56x = 42,192,072.12 × 17,520,676.80
  4. Step 4: Simplify right side
    30,572,203.56x = 739,233,659,136,810.75
  5. Step 5: Solve for x
    x = 739,233,659,136,810.75/30,572,203.56
  6. Step 6: Final answer
    x = 24,179,927.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.