Home / 30,045,118.57-45,119,253-18,441,626.87

Finding the Fourth Proportional to 30,045,118.57, 45,119,253 and 18,441,626.87

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Solution

The fourth proportional to 30,045,118.57, 45,119,253 and 18,441,626.87 is: 27,694,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045,118.57 : 45,119,253 = 18,441,626.87 : x
  2. Step 2: Convert to fraction form
    30,045,118.57/45,119,253 = 18,441,626.87/x
  3. Step 3: Cross multiply
    30,045,118.57x = 45,119,253 × 18,441,626.87
  4. Step 4: Simplify right side
    30,045,118.57x = 832,072,428,479,128.12
  5. Step 5: Solve for x
    x = 832,072,428,479,128.12/30,045,118.57
  6. Step 6: Final answer
    x = 27,694,097.01

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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.