Home / 20,467,357.16-28,247,429.72-11,648,952.62

Finding the Fourth Proportional to 20,467,357.16, 28,247,429.72 and 11,648,952.62

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Solution

The fourth proportional to 20,467,357.16, 28,247,429.72 and 11,648,952.62 is: 16,076,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467,357.16 : 28,247,429.72 = 11,648,952.62 : x
  2. Step 2: Convert to fraction form
    20,467,357.16/28,247,429.72 = 11,648,952.62/x
  3. Step 3: Cross multiply
    20,467,357.16x = 28,247,429.72 × 11,648,952.62
  4. Step 4: Simplify right side
    20,467,357.16x = 329,052,970,445,059.81
  5. Step 5: Solve for x
    x = 329,052,970,445,059.81/20,467,357.16
  6. Step 6: Final answer
    x = 16,076,964.30

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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.