Home / 30,339,712.35-45,509,568.53-12,152,620.35

Finding the Fourth Proportional to 30,339,712.35, 45,509,568.53 and 12,152,620.35

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Solution

The fourth proportional to 30,339,712.35, 45,509,568.53 and 12,152,620.35 is: 18,228,930.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339,712.35 : 45,509,568.53 = 12,152,620.35 : x
  2. Step 2: Convert to fraction form
    30,339,712.35/45,509,568.53 = 12,152,620.35/x
  3. Step 3: Cross multiply
    30,339,712.35x = 45,509,568.53 × 12,152,620.35
  4. Step 4: Simplify right side
    30,339,712.35x = 553,060,508,576,634.44
  5. Step 5: Solve for x
    x = 553,060,508,576,634.44/30,339,712.35
  6. Step 6: Final answer
    x = 18,228,930.53

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1.5x scale

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.