Home / 30,680,170.12-42,338,834.22-16,742,506.60

Finding the Fourth Proportional to 30,680,170.12, 42,338,834.22 and 16,742,506.60

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Solution

The fourth proportional to 30,680,170.12, 42,338,834.22 and 16,742,506.60 is: 23,104,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680,170.12 : 42,338,834.22 = 16,742,506.60 : x
  2. Step 2: Convert to fraction form
    30,680,170.12/42,338,834.22 = 16,742,506.60/x
  3. Step 3: Cross multiply
    30,680,170.12x = 42,338,834.22 × 16,742,506.60
  4. Step 4: Simplify right side
    30,680,170.12x = 708,858,211,364,655.88
  5. Step 5: Solve for x
    x = 708,858,211,364,655.88/30,680,170.12
  6. Step 6: Final answer
    x = 23,104,767.95

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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.