Home / 28,132,912.80-42,175,749.60-14,669,740.80

Finding the Fourth Proportional to 28,132,912.80, 42,175,749.60 and 14,669,740.80

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Solution

The fourth proportional to 28,132,912.80, 42,175,749.60 and 14,669,740.80 is: 21,992,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132,912.80 : 42,175,749.60 = 14,669,740.80 : x
  2. Step 2: Convert to fraction form
    28,132,912.80/42,175,749.60 = 14,669,740.80/x
  3. Step 3: Cross multiply
    28,132,912.80x = 42,175,749.60 × 14,669,740.80
  4. Step 4: Simplify right side
    28,132,912.80x = 618,707,314,677,703.75
  5. Step 5: Solve for x
    x = 618,707,314,677,703.75/28,132,912.80
  6. Step 6: Final answer
    x = 21,992,294.90

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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.