Home / 7,220,277.53-9,958,243.43-6,136,137.89

Finding the Fourth Proportional to 7,220,277.53, 9,958,243.43 and 6,136,137.89

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Solution

The fourth proportional to 7,220,277.53, 9,958,243.43 and 6,136,137.89 is: 8,462,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,277.53 : 9,958,243.43 = 6,136,137.89 : x
  2. Step 2: Convert to fraction form
    7,220,277.53/9,958,243.43 = 6,136,137.89/x
  3. Step 3: Cross multiply
    7,220,277.53x = 9,958,243.43 × 6,136,137.89
  4. Step 4: Simplify right side
    7,220,277.53x = 61,105,154,797,044.55
  5. Step 5: Solve for x
    x = 61,105,154,797,044.55/7,220,277.53
  6. Step 6: Final answer
    x = 8,462,992.53

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1.5x scale

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.