Home / 28,054,897.20-42,061,350.60-15,289,815.60

Finding the Fourth Proportional to 28,054,897.20, 42,061,350.60 and 15,289,815.60

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Solution

The fourth proportional to 28,054,897.20, 42,061,350.60 and 15,289,815.60 is: 22,923,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054,897.20 : 42,061,350.60 = 15,289,815.60 : x
  2. Step 2: Convert to fraction form
    28,054,897.20/42,061,350.60 = 15,289,815.60/x
  3. Step 3: Cross multiply
    28,054,897.20x = 42,061,350.60 × 15,289,815.60
  4. Step 4: Simplify right side
    28,054,897.20x = 643,110,294,560,949.38
  5. Step 5: Solve for x
    x = 643,110,294,560,949.38/28,054,897.20
  6. Step 6: Final answer
    x = 22,923,281.09

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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.