Home / 30,178,517.80-41,643,980.14-17,125,776.67

Finding the Fourth Proportional to 30,178,517.80, 41,643,980.14 and 17,125,776.67

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Solution

The fourth proportional to 30,178,517.80, 41,643,980.14 and 17,125,776.67 is: 23,632,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178,517.80 : 41,643,980.14 = 17,125,776.67 : x
  2. Step 2: Convert to fraction form
    30,178,517.80/41,643,980.14 = 17,125,776.67/x
  3. Step 3: Cross multiply
    30,178,517.80x = 41,643,980.14 × 17,125,776.67
  4. Step 4: Simplify right side
    30,178,517.80x = 713,185,503,441,926.50
  5. Step 5: Solve for x
    x = 713,185,503,441,926.50/30,178,517.80
  6. Step 6: Final answer
    x = 23,632,224.36

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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.