Home / 30,045,120.58-45,119,256-18,441,628.87

Finding the Fourth Proportional to 30,045,120.58, 45,119,256 and 18,441,628.87

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Solution

The fourth proportional to 30,045,120.58, 45,119,256 and 18,441,628.87 is: 27,694,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045,120.58 : 45,119,256 = 18,441,628.87 : x
  2. Step 2: Convert to fraction form
    30,045,120.58/45,119,256 = 18,441,628.87/x
  3. Step 3: Cross multiply
    30,045,120.58x = 45,119,256 × 18,441,628.87
  4. Step 4: Simplify right side
    30,045,120.58x = 832,072,574,042,520.75
  5. Step 5: Solve for x
    x = 832,072,574,042,520.75/30,045,120.58
  6. Step 6: Final answer
    x = 27,694,100.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.