Home / 30,132,787.72-41,583,720.18-16,381,804.36

Finding the Fourth Proportional to 30,132,787.72, 41,583,720.18 and 16,381,804.36

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Solution

The fourth proportional to 30,132,787.72, 41,583,720.18 and 16,381,804.36 is: 22,607,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132,787.72 : 41,583,720.18 = 16,381,804.36 : x
  2. Step 2: Convert to fraction form
    30,132,787.72/41,583,720.18 = 16,381,804.36/x
  3. Step 3: Cross multiply
    30,132,787.72x = 41,583,720.18 × 16,381,804.36
  4. Step 4: Simplify right side
    30,132,787.72x = 681,216,368,549,744
  5. Step 5: Solve for x
    x = 681,216,368,549,744/30,132,787.72
  6. Step 6: Final answer
    x = 22,607,147.23

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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.