Home / 21,550,203.90-29,739,911.28-11,761,276.34

Finding the Fourth Proportional to 21,550,203.90, 29,739,911.28 and 11,761,276.34

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Solution

The fourth proportional to 21,550,203.90, 29,739,911.28 and 11,761,276.34 is: 16,230,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,203.90 : 29,739,911.28 = 11,761,276.34 : x
  2. Step 2: Convert to fraction form
    21,550,203.90/29,739,911.28 = 11,761,276.34/x
  3. Step 3: Cross multiply
    21,550,203.90x = 29,739,911.28 × 11,761,276.34
  4. Step 4: Simplify right side
    21,550,203.90x = 349,779,314,891,163.12
  5. Step 5: Solve for x
    x = 349,779,314,891,163.12/21,550,203.90
  6. Step 6: Final answer
    x = 16,230,905.12

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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.