Home / 30,093,189.52-41,541,314.18-20,316,875.78

Finding the Fourth Proportional to 30,093,189.52, 41,541,314.18 and 20,316,875.78

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Solution

The fourth proportional to 30,093,189.52, 41,541,314.18 and 20,316,875.78 is: 28,045,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093,189.52 : 41,541,314.18 = 20,316,875.78 : x
  2. Step 2: Convert to fraction form
    30,093,189.52/41,541,314.18 = 20,316,875.78/x
  3. Step 3: Cross multiply
    30,093,189.52x = 41,541,314.18 × 20,316,875.78
  4. Step 4: Simplify right side
    30,093,189.52x = 843,989,719,933,012.62
  5. Step 5: Solve for x
    x = 843,989,719,933,012.62/30,093,189.52
  6. Step 6: Final answer
    x = 28,045,871.29

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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.