Home / 12,550,989.80-18,829,109.10-4,032,187.40

Finding the Fourth Proportional to 12,550,989.80, 18,829,109.10 and 4,032,187.40

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Solution

The fourth proportional to 12,550,989.80, 18,829,109.10 and 4,032,187.40 is: 6,049,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,989.80 : 18,829,109.10 = 4,032,187.40 : x
  2. Step 2: Convert to fraction form
    12,550,989.80/18,829,109.10 = 4,032,187.40/x
  3. Step 3: Cross multiply
    12,550,989.80x = 18,829,109.10 × 4,032,187.40
  4. Step 4: Simplify right side
    12,550,989.80x = 75,922,496,466,245.34
  5. Step 5: Solve for x
    x = 75,922,496,466,245.34/12,550,989.80
  6. Step 6: Final answer
    x = 6,049,124.23

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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.