Home / 20,328,352.43-30,492,921.69-4,975,776.45

Finding the Fourth Proportional to 20,328,352.43, 30,492,921.69 and 4,975,776.45

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Solution

The fourth proportional to 20,328,352.43, 30,492,921.69 and 4,975,776.45 is: 7,463,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328,352.43 : 30,492,921.69 = 4,975,776.45 : x
  2. Step 2: Convert to fraction form
    20,328,352.43/30,492,921.69 = 4,975,776.45/x
  3. Step 3: Cross multiply
    20,328,352.43x = 30,492,921.69 × 4,975,776.45
  4. Step 4: Simplify right side
    20,328,352.43x = 151,725,961,636,796.22
  5. Step 5: Solve for x
    x = 151,725,961,636,796.22/20,328,352.43
  6. Step 6: Final answer
    x = 7,463,760.88

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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.