Home / 20,617,962.67-28,452,854.96-11,450,605.42

Finding the Fourth Proportional to 20,617,962.67, 28,452,854.96 and 11,450,605.42

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Solution

The fourth proportional to 20,617,962.67, 28,452,854.96 and 11,450,605.42 is: 15,801,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,962.67 : 28,452,854.96 = 11,450,605.42 : x
  2. Step 2: Convert to fraction form
    20,617,962.67/28,452,854.96 = 11,450,605.42/x
  3. Step 3: Cross multiply
    20,617,962.67x = 28,452,854.96 × 11,450,605.42
  4. Step 4: Simplify right side
    20,617,962.67x = 325,802,415,219,449.88
  5. Step 5: Solve for x
    x = 325,802,415,219,449.88/20,617,962.67
  6. Step 6: Final answer
    x = 15,801,872.40

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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.