Home / 7,687,256.90-11,507,136.55-4,220,324.03

Finding the Fourth Proportional to 7,687,256.90, 11,507,136.55 and 4,220,324.03

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Solution

The fourth proportional to 7,687,256.90, 11,507,136.55 and 4,220,324.03 is: 6,317,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687,256.90 : 11,507,136.55 = 4,220,324.03 : x
  2. Step 2: Convert to fraction form
    7,687,256.90/11,507,136.55 = 4,220,324.03/x
  3. Step 3: Cross multiply
    7,687,256.90x = 11,507,136.55 × 4,220,324.03
  4. Step 4: Simplify right side
    7,687,256.90x = 48,563,844,916,673.32
  5. Step 5: Solve for x
    x = 48,563,844,916,673.32/7,687,256.90
  6. Step 6: Final answer
    x = 6,317,447.90

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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.