Home / 38,220,109.96-52,740,511.84-21,473,538.37

Finding the Fourth Proportional to 38,220,109.96, 52,740,511.84 and 21,473,538.37

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Solution

The fourth proportional to 38,220,109.96, 52,740,511.84 and 21,473,538.37 is: 29,631,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220,109.96 : 52,740,511.84 = 21,473,538.37 : x
  2. Step 2: Convert to fraction form
    38,220,109.96/52,740,511.84 = 21,473,538.37/x
  3. Step 3: Cross multiply
    38,220,109.96x = 52,740,511.84 × 21,473,538.37
  4. Step 4: Simplify right side
    38,220,109.96x = 1,132,525,404,649,679.50
  5. Step 5: Solve for x
    x = 1,132,525,404,649,679.50/38,220,109.96
  6. Step 6: Final answer
    x = 29,631,662.65

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1.5x scale

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.