Home / 11,747,420.56-17,621,980.16-4,917,124.32

Finding the Fourth Proportional to 11,747,420.56, 17,621,980.16 and 4,917,124.32

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Solution

The fourth proportional to 11,747,420.56, 17,621,980.16 and 4,917,124.32 is: 7,376,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747,420.56 : 17,621,980.16 = 4,917,124.32 : x
  2. Step 2: Convert to fraction form
    11,747,420.56/17,621,980.16 = 4,917,124.32/x
  3. Step 3: Cross multiply
    11,747,420.56x = 17,621,980.16 × 4,917,124.32
  4. Step 4: Simplify right side
    11,747,420.56x = 86,649,467,211,293.50
  5. Step 5: Solve for x
    x = 86,649,467,211,293.50/11,747,420.56
  6. Step 6: Final answer
    x = 7,376,041.98

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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.