Home / 12,768,302.70-19,152,454.05-12,021,806.70

Finding the Fourth Proportional to 12,768,302.70, 19,152,454.05 and 12,021,806.70

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Solution

The fourth proportional to 12,768,302.70, 19,152,454.05 and 12,021,806.70 is: 18,032,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,302.70 : 19,152,454.05 = 12,021,806.70 : x
  2. Step 2: Convert to fraction form
    12,768,302.70/19,152,454.05 = 12,021,806.70/x
  3. Step 3: Cross multiply
    12,768,302.70x = 19,152,454.05 × 12,021,806.70
  4. Step 4: Simplify right side
    12,768,302.70x = 230,247,100,419,732.12
  5. Step 5: Solve for x
    x = 230,247,100,419,732.12/12,768,302.70
  6. Step 6: Final answer
    x = 18,032,710.05

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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.