Home / 30,196,992.80-41,672,329.46-17,143,985.36

Finding the Fourth Proportional to 30,196,992.80, 41,672,329.46 and 17,143,985.36

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Solution

The fourth proportional to 30,196,992.80, 41,672,329.46 and 17,143,985.36 is: 23,658,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196,992.80 : 41,672,329.46 = 17,143,985.36 : x
  2. Step 2: Convert to fraction form
    30,196,992.80/41,672,329.46 = 17,143,985.36/x
  3. Step 3: Cross multiply
    30,196,992.80x = 41,672,329.46 × 17,143,985.36
  4. Step 4: Simplify right side
    30,196,992.80x = 714,429,805,885,255.12
  5. Step 5: Solve for x
    x = 714,429,805,885,255.12/30,196,992.80
  6. Step 6: Final answer
    x = 23,658,971.96

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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.