Home / 30,196,994.49-41,672,331.78-17,143,987.05

Finding the Fourth Proportional to 30,196,994.49, 41,672,331.78 and 17,143,987.05

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Solution

The fourth proportional to 30,196,994.49, 41,672,331.78 and 17,143,987.05 is: 23,658,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196,994.49 : 41,672,331.78 = 17,143,987.05 : x
  2. Step 2: Convert to fraction form
    30,196,994.49/41,672,331.78 = 17,143,987.05/x
  3. Step 3: Cross multiply
    30,196,994.49x = 41,672,331.78 × 17,143,987.05
  4. Step 4: Simplify right side
    30,196,994.49x = 714,429,916,379,623.50
  5. Step 5: Solve for x
    x = 714,429,916,379,623.50/30,196,994.49
  6. Step 6: Final answer
    x = 23,658,974.29

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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.