Home / 40,539,588.48-55,943,940.96-21,954,577.80

Finding the Fourth Proportional to 40,539,588.48, 55,943,940.96 and 21,954,577.80

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Solution

The fourth proportional to 40,539,588.48, 55,943,940.96 and 21,954,577.80 is: 30,296,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,588.48 : 55,943,940.96 = 21,954,577.80 : x
  2. Step 2: Convert to fraction form
    40,539,588.48/55,943,940.96 = 21,954,577.80/x
  3. Step 3: Cross multiply
    40,539,588.48x = 55,943,940.96 × 21,954,577.80
  4. Step 4: Simplify right side
    40,539,588.48x = 1,228,225,604,244,926.75
  5. Step 5: Solve for x
    x = 1,228,225,604,244,926.75/40,539,588.48
  6. Step 6: Final answer
    x = 30,296,943.07

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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.