Home / 52,953,976.80-79,430,965.20-18,863,020.80

Finding the Fourth Proportional to 52,953,976.80, 79,430,965.20 and 18,863,020.80

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Solution

The fourth proportional to 52,953,976.80, 79,430,965.20 and 18,863,020.80 is: 28,294,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,953,976.80 : 79,430,965.20 = 18,863,020.80 : x
  2. Step 2: Convert to fraction form
    52,953,976.80/79,430,965.20 = 18,863,020.80/x
  3. Step 3: Cross multiply
    52,953,976.80x = 79,430,965.20 × 18,863,020.80
  4. Step 4: Simplify right side
    52,953,976.80x = 1,498,307,948,731,676.25
  5. Step 5: Solve for x
    x = 1,498,307,948,731,676.25/52,953,976.80
  6. Step 6: Final answer
    x = 28,294,531.20

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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.