Home / 13,084,263.36-18,056,285.28-7,282,921.92

Finding the Fourth Proportional to 13,084,263.36, 18,056,285.28 and 7,282,921.92

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Solution

The fourth proportional to 13,084,263.36, 18,056,285.28 and 7,282,921.92 is: 10,050,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084,263.36 : 18,056,285.28 = 7,282,921.92 : x
  2. Step 2: Convert to fraction form
    13,084,263.36/18,056,285.28 = 7,282,921.92/x
  3. Step 3: Cross multiply
    13,084,263.36x = 18,056,285.28 × 7,282,921.92
  4. Step 4: Simplify right side
    13,084,263.36x = 131,502,515,859,485.34
  5. Step 5: Solve for x
    x = 131,502,515,859,485.34/13,084,263.36
  6. Step 6: Final answer
    x = 10,050,433.28

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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.