Home / 21,546,808.16-29,735,311.92-11,757,789.28

Finding the Fourth Proportional to 21,546,808.16, 29,735,311.92 and 11,757,789.28

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Solution

The fourth proportional to 21,546,808.16, 29,735,311.92 and 11,757,789.28 is: 16,226,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546,808.16 : 29,735,311.92 = 11,757,789.28 : x
  2. Step 2: Convert to fraction form
    21,546,808.16/29,735,311.92 = 11,757,789.28/x
  3. Step 3: Cross multiply
    21,546,808.16x = 29,735,311.92 × 11,757,789.28
  4. Step 4: Simplify right side
    21,546,808.16x = 349,621,531,730,432.19
  5. Step 5: Solve for x
    x = 349,621,531,730,432.19/21,546,808.16
  6. Step 6: Final answer
    x = 16,226,140.28

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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.