Home / 21,841,328.40-32,761,992.60-7,462,240.80

Finding the Fourth Proportional to 21,841,328.40, 32,761,992.60 and 7,462,240.80

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Solution

The fourth proportional to 21,841,328.40, 32,761,992.60 and 7,462,240.80 is: 11,193,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841,328.40 : 32,761,992.60 = 7,462,240.80 : x
  2. Step 2: Convert to fraction form
    21,841,328.40/32,761,992.60 = 7,462,240.80/x
  3. Step 3: Cross multiply
    21,841,328.40x = 32,761,992.60 × 7,462,240.80
  4. Step 4: Simplify right side
    21,841,328.40x = 244,477,877,869,018.09
  5. Step 5: Solve for x
    x = 244,477,877,869,018.09/21,841,328.40
  6. Step 6: Final answer
    x = 11,193,361.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.