Home / 30,575,226.64-42,195,200.04-18,976,525.84

Finding the Fourth Proportional to 30,575,226.64, 42,195,200.04 and 18,976,525.84

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Solution

The fourth proportional to 30,575,226.64, 42,195,200.04 and 18,976,525.84 is: 26,188,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575,226.64 : 42,195,200.04 = 18,976,525.84 : x
  2. Step 2: Convert to fraction form
    30,575,226.64/42,195,200.04 = 18,976,525.84/x
  3. Step 3: Cross multiply
    30,575,226.64x = 42,195,200.04 × 18,976,525.84
  4. Step 4: Simplify right side
    30,575,226.64x = 800,718,303,883,029
  5. Step 5: Solve for x
    x = 800,718,303,883,029/30,575,226.64
  6. Step 6: Final answer
    x = 26,188,466.67

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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.