Home / 20,166,485.76-27,829,733.76-10,999,100.16

Finding the Fourth Proportional to 20,166,485.76, 27,829,733.76 and 10,999,100.16

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Solution

The fourth proportional to 20,166,485.76, 27,829,733.76 and 10,999,100.16 is: 15,178,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,485.76 : 27,829,733.76 = 10,999,100.16 : x
  2. Step 2: Convert to fraction form
    20,166,485.76/27,829,733.76 = 10,999,100.16/x
  3. Step 3: Cross multiply
    20,166,485.76x = 27,829,733.76 × 10,999,100.16
  4. Step 4: Simplify right side
    20,166,485.76x = 306,102,029,052,373.44
  5. Step 5: Solve for x
    x = 306,102,029,052,373.44/20,166,485.76
  6. Step 6: Final answer
    x = 15,178,749.17

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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.