Home / 20,022,832.32-30,032,681.72-5,645,319.36

Finding the Fourth Proportional to 20,022,832.32, 30,032,681.72 and 5,645,319.36

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Solution

The fourth proportional to 20,022,832.32, 30,032,681.72 and 5,645,319.36 is: 8,467,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,832.32 : 30,032,681.72 = 5,645,319.36 : x
  2. Step 2: Convert to fraction form
    20,022,832.32/30,032,681.72 = 5,645,319.36/x
  3. Step 3: Cross multiply
    20,022,832.32x = 30,032,681.72 × 5,645,319.36
  4. Step 4: Simplify right side
    20,022,832.32x = 169,544,079,518,407.50
  5. Step 5: Solve for x
    x = 169,544,079,518,407.50/20,022,832.32
  6. Step 6: Final answer
    x = 8,467,537.30

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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.