Home / 13,545,015.84-18,692,349.84-7,434,012.96

Finding the Fourth Proportional to 13,545,015.84, 18,692,349.84 and 7,434,012.96

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Solution

The fourth proportional to 13,545,015.84, 18,692,349.84 and 7,434,012.96 is: 10,259,063.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,015.84 : 18,692,349.84 = 7,434,012.96 : x
  2. Step 2: Convert to fraction form
    13,545,015.84/18,692,349.84 = 7,434,012.96/x
  3. Step 3: Cross multiply
    13,545,015.84x = 18,692,349.84 × 7,434,012.96
  4. Step 4: Simplify right side
    13,545,015.84x = 138,959,170,963,413.92
  5. Step 5: Solve for x
    x = 138,959,170,963,413.92/13,545,015.84
  6. Step 6: Final answer
    x = 10,259,063.01

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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.