Home / 21,550,200.03-29,739,905.93-11,761,272.46

Finding the Fourth Proportional to 21,550,200.03, 29,739,905.93 and 11,761,272.46

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Solution

The fourth proportional to 21,550,200.03, 29,739,905.93 and 11,761,272.46 is: 16,230,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,200.03 : 29,739,905.93 = 11,761,272.46 : x
  2. Step 2: Convert to fraction form
    21,550,200.03/29,739,905.93 = 11,761,272.46/x
  3. Step 3: Cross multiply
    21,550,200.03x = 29,739,905.93 × 11,761,272.46
  4. Step 4: Simplify right side
    21,550,200.03x = 349,779,136,606,902.94
  5. Step 5: Solve for x
    x = 349,779,136,606,902.94/21,550,200.03
  6. Step 6: Final answer
    x = 16,230,899.77

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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.