Home / 28,262,450.40-42,399,205.20-12,088,370.40

Finding the Fourth Proportional to 28,262,450.40, 42,399,205.20 and 12,088,370.40

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Solution

The fourth proportional to 28,262,450.40, 42,399,205.20 and 12,088,370.40 is: 18,134,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,450.40 : 42,399,205.20 = 12,088,370.40 : x
  2. Step 2: Convert to fraction form
    28,262,450.40/42,399,205.20 = 12,088,370.40/x
  3. Step 3: Cross multiply
    28,262,450.40x = 42,399,205.20 × 12,088,370.40
  4. Step 4: Simplify right side
    28,262,450.40x = 512,537,297,123,206.12
  5. Step 5: Solve for x
    x = 512,537,297,123,206.12/28,262,450.40
  6. Step 6: Final answer
    x = 18,134,920.71

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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.