Home / 36,980,720.28-51,033,117.42-20,683,196.28

Finding the Fourth Proportional to 36,980,720.28, 51,033,117.42 and 20,683,196.28

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Solution

The fourth proportional to 36,980,720.28, 51,033,117.42 and 20,683,196.28 is: 28,542,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980,720.28 : 51,033,117.42 = 20,683,196.28 : x
  2. Step 2: Convert to fraction form
    36,980,720.28/51,033,117.42 = 20,683,196.28/x
  3. Step 3: Cross multiply
    36,980,720.28x = 51,033,117.42 × 20,683,196.28
  4. Step 4: Simplify right side
    36,980,720.28x = 1,055,527,984,378,147.25
  5. Step 5: Solve for x
    x = 1,055,527,984,378,147.25/36,980,720.28
  6. Step 6: Final answer
    x = 28,542,656.18

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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.