Home / 6,425,128.32-8,866,594.36-3,671,784.21

Finding the Fourth Proportional to 6,425,128.32, 8,866,594.36 and 3,671,784.21

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Solution

The fourth proportional to 6,425,128.32, 8,866,594.36 and 3,671,784.21 is: 5,067,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425,128.32 : 8,866,594.36 = 3,671,784.21 : x
  2. Step 2: Convert to fraction form
    6,425,128.32/8,866,594.36 = 3,671,784.21/x
  3. Step 3: Cross multiply
    6,425,128.32x = 8,866,594.36 × 3,671,784.21
  4. Step 4: Simplify right side
    6,425,128.32x = 32,556,221,167,523.05
  5. Step 5: Solve for x
    x = 32,556,221,167,523.05/6,425,128.32
  6. Step 6: Final answer
    x = 5,067,014.94

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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.