Home / 36,317,915.68-54,492,918.78-19,041,986.20

Finding the Fourth Proportional to 36,317,915.68, 54,492,918.78 and 19,041,986.20

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Solution

The fourth proportional to 36,317,915.68, 54,492,918.78 and 19,041,986.20 is: 28,571,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,317,915.68 : 54,492,918.78 = 19,041,986.20 : x
  2. Step 2: Convert to fraction form
    36,317,915.68/54,492,918.78 = 19,041,986.20/x
  3. Step 3: Cross multiply
    36,317,915.68x = 54,492,918.78 × 19,041,986.20
  4. Step 4: Simplify right side
    36,317,915.68x = 1,037,653,407,406,480.88
  5. Step 5: Solve for x
    x = 1,037,653,407,406,480.88/36,317,915.68
  6. Step 6: Final answer
    x = 28,571,392.05

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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.