Home / 19,307,233.80-28,971,348.30-7,948,830.60

Finding the Fourth Proportional to 19,307,233.80, 28,971,348.30 and 7,948,830.60

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Solution

The fourth proportional to 19,307,233.80, 28,971,348.30 and 7,948,830.60 is: 11,927,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307,233.80 : 28,971,348.30 = 7,948,830.60 : x
  2. Step 2: Convert to fraction form
    19,307,233.80/28,971,348.30 = 7,948,830.60/x
  3. Step 3: Cross multiply
    19,307,233.80x = 28,971,348.30 × 7,948,830.60
  4. Step 4: Simplify right side
    19,307,233.80x = 230,288,339,890,297.97
  5. Step 5: Solve for x
    x = 230,288,339,890,297.97/19,307,233.80
  6. Step 6: Final answer
    x = 11,927,567.78

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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.