Home / 9,267,396.09-12,788,361.45-5,137,387.53

Finding the Fourth Proportional to 9,267,396.09, 12,788,361.45 and 5,137,387.53

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Solution

The fourth proportional to 9,267,396.09, 12,788,361.45 and 5,137,387.53 is: 7,089,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267,396.09 : 12,788,361.45 = 5,137,387.53 : x
  2. Step 2: Convert to fraction form
    9,267,396.09/12,788,361.45 = 5,137,387.53/x
  3. Step 3: Cross multiply
    9,267,396.09x = 12,788,361.45 × 5,137,387.53
  4. Step 4: Simplify right side
    9,267,396.09x = 65,698,768,642,362.72
  5. Step 5: Solve for x
    x = 65,698,768,642,362.72/9,267,396.09
  6. Step 6: Final answer
    x = 7,089,237.15

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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.