Home / 30,193,454.16-45,283,749.84-8,622,329.04

Finding the Fourth Proportional to 30,193,454.16, 45,283,749.84 and 8,622,329.04

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Solution

The fourth proportional to 30,193,454.16, 45,283,749.84 and 8,622,329.04 is: 12,931,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193,454.16 : 45,283,749.84 = 8,622,329.04 : x
  2. Step 2: Convert to fraction form
    30,193,454.16/45,283,749.84 = 8,622,329.04/x
  3. Step 3: Cross multiply
    30,193,454.16x = 45,283,749.84 × 8,622,329.04
  4. Step 4: Simplify right side
    30,193,454.16x = 390,451,391,285,527.38
  5. Step 5: Solve for x
    x = 390,451,391,285,527.38/30,193,454.16
  6. Step 6: Final answer
    x = 12,931,656.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.