Home / 12,069,544.86-18,122,033.61-7,539,895.26

Finding the Fourth Proportional to 12,069,544.86, 18,122,033.61 and 7,539,895.26

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Solution

The fourth proportional to 12,069,544.86, 18,122,033.61 and 7,539,895.26 is: 11,320,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,544.86 : 18,122,033.61 = 7,539,895.26 : x
  2. Step 2: Convert to fraction form
    12,069,544.86/18,122,033.61 = 7,539,895.26/x
  3. Step 3: Cross multiply
    12,069,544.86x = 18,122,033.61 × 7,539,895.26
  4. Step 4: Simplify right side
    12,069,544.86x = 136,638,235,317,599.69
  5. Step 5: Solve for x
    x = 136,638,235,317,599.69/12,069,544.86
  6. Step 6: Final answer
    x = 11,320,910.35

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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.