Home / 13,206,124.80-19,809,187.20-8,671,161.60

Finding the Fourth Proportional to 13,206,124.80, 19,809,187.20 and 8,671,161.60

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Solution

The fourth proportional to 13,206,124.80, 19,809,187.20 and 8,671,161.60 is: 13,006,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,124.80 : 19,809,187.20 = 8,671,161.60 : x
  2. Step 2: Convert to fraction form
    13,206,124.80/19,809,187.20 = 8,671,161.60/x
  3. Step 3: Cross multiply
    13,206,124.80x = 19,809,187.20 × 8,671,161.60
  4. Step 4: Simplify right side
    13,206,124.80x = 171,768,663,375,851.50
  5. Step 5: Solve for x
    x = 171,768,663,375,851.50/13,206,124.80
  6. Step 6: Final answer
    x = 13,006,742.40

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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.