Home / 12,400,955.30-18,574,512.35-5,997,780.16

Finding the Fourth Proportional to 12,400,955.30, 18,574,512.35 and 5,997,780.16

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Solution

The fourth proportional to 12,400,955.30, 18,574,512.35 and 5,997,780.16 is: 8,983,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,955.30 : 18,574,512.35 = 5,997,780.16 : x
  2. Step 2: Convert to fraction form
    12,400,955.30/18,574,512.35 = 5,997,780.16/x
  3. Step 3: Cross multiply
    12,400,955.30x = 18,574,512.35 × 5,997,780.16
  4. Step 4: Simplify right side
    12,400,955.30x = 111,405,841,654,504.98
  5. Step 5: Solve for x
    x = 111,405,841,654,504.98/12,400,955.30
  6. Step 6: Final answer
    x = 8,983,649.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.