Home / 7,186,010.85-10,782,382.64-3,141,978.93

Finding the Fourth Proportional to 7,186,010.85, 10,782,382.64 and 3,141,978.93

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Solution

The fourth proportional to 7,186,010.85, 10,782,382.64 and 3,141,978.93 is: 4,714,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,010.85 : 10,782,382.64 = 3,141,978.93 : x
  2. Step 2: Convert to fraction form
    7,186,010.85/10,782,382.64 = 3,141,978.93/x
  3. Step 3: Cross multiply
    7,186,010.85x = 10,782,382.64 × 3,141,978.93
  4. Step 4: Simplify right side
    7,186,010.85x = 33,878,019,054,367.88
  5. Step 5: Solve for x
    x = 33,878,019,054,367.88/7,186,010.85
  6. Step 6: Final answer
    x = 4,714,440.29

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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.