Home / 30,688,826.88-42,351,962.88-17,640,322.56

Finding the Fourth Proportional to 30,688,826.88, 42,351,962.88 and 17,640,322.56

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Solution

The fourth proportional to 30,688,826.88, 42,351,962.88 and 17,640,322.56 is: 24,344,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688,826.88 : 42,351,962.88 = 17,640,322.56 : x
  2. Step 2: Convert to fraction form
    30,688,826.88/42,351,962.88 = 17,640,322.56/x
  3. Step 3: Cross multiply
    30,688,826.88x = 42,351,962.88 × 17,640,322.56
  4. Step 4: Simplify right side
    30,688,826.88x = 747,102,286,252,346.62
  5. Step 5: Solve for x
    x = 747,102,286,252,346.62/30,688,826.88
  6. Step 6: Final answer
    x = 24,344,439.40

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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.