Home / 13,533,014.16-18,673,838.73-7,732,171.62

Finding the Fourth Proportional to 13,533,014.16, 18,673,838.73 and 7,732,171.62

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Solution

The fourth proportional to 13,533,014.16, 18,673,838.73 and 7,732,171.62 is: 10,669,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533,014.16 : 18,673,838.73 = 7,732,171.62 : x
  2. Step 2: Convert to fraction form
    13,533,014.16/18,673,838.73 = 7,732,171.62/x
  3. Step 3: Cross multiply
    13,533,014.16x = 18,673,838.73 × 7,732,171.62
  4. Step 4: Simplify right side
    13,533,014.16x = 144,389,325,864,562.84
  5. Step 5: Solve for x
    x = 144,389,325,864,562.84/13,533,014.16
  6. Step 6: Final answer
    x = 10,669,413.64

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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.