Home / 7,178,188.49-9,904,196.33-4,080,467.02

Finding the Fourth Proportional to 7,178,188.49, 9,904,196.33 and 4,080,467.02

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Solution

The fourth proportional to 7,178,188.49, 9,904,196.33 and 4,080,467.02 is: 5,630,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,188.49 : 9,904,196.33 = 4,080,467.02 : x
  2. Step 2: Convert to fraction form
    7,178,188.49/9,904,196.33 = 4,080,467.02/x
  3. Step 3: Cross multiply
    7,178,188.49x = 9,904,196.33 × 4,080,467.02
  4. Step 4: Simplify right side
    7,178,188.49x = 40,413,746,434,649.05
  5. Step 5: Solve for x
    x = 40,413,746,434,649.05/7,178,188.49
  6. Step 6: Final answer
    x = 5,630,075.96

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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.