Home / 13,333,851.75-18,400,716.03-7,222,280.25

Finding the Fourth Proportional to 13,333,851.75, 18,400,716.03 and 7,222,280.25

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Solution

The fourth proportional to 13,333,851.75, 18,400,716.03 and 7,222,280.25 is: 9,966,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,851.75 : 18,400,716.03 = 7,222,280.25 : x
  2. Step 2: Convert to fraction form
    13,333,851.75/18,400,716.03 = 7,222,280.25/x
  3. Step 3: Cross multiply
    13,333,851.75x = 18,400,716.03 × 7,222,280.25
  4. Step 4: Simplify right side
    13,333,851.75x = 132,895,128,065,413.66
  5. Step 5: Solve for x
    x = 132,895,128,065,413.66/13,333,851.75
  6. Step 6: Final answer
    x = 9,966,747.08

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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.