Home / 21,549,699.42-29,739,212.28-11,760,773.28

Finding the Fourth Proportional to 21,549,699.42, 29,739,212.28 and 11,760,773.28

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Solution

The fourth proportional to 21,549,699.42, 29,739,212.28 and 11,760,773.28 is: 16,230,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549,699.42 : 29,739,212.28 = 11,760,773.28 : x
  2. Step 2: Convert to fraction form
    21,549,699.42/29,739,212.28 = 11,760,773.28/x
  3. Step 3: Cross multiply
    21,549,699.42x = 29,739,212.28 × 11,760,773.28
  4. Step 4: Simplify right side
    21,549,699.42x = 349,756,133,150,871.88
  5. Step 5: Solve for x
    x = 349,756,133,150,871.88/21,549,699.42
  6. Step 6: Final answer
    x = 16,230,209.36

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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.