Home / 28,082,760.40-42,092,647.80-14,430,631.60

Finding the Fourth Proportional to 28,082,760.40, 42,092,647.80 and 14,430,631.60

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Solution

The fourth proportional to 28,082,760.40, 42,092,647.80 and 14,430,631.60 is: 21,629,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,760.40 : 42,092,647.80 = 14,430,631.60 : x
  2. Step 2: Convert to fraction form
    28,082,760.40/42,092,647.80 = 14,430,631.60/x
  3. Step 3: Cross multiply
    28,082,760.40x = 42,092,647.80 × 14,430,631.60
  4. Step 4: Simplify right side
    28,082,760.40x = 607,423,493,470,350.38
  5. Step 5: Solve for x
    x = 607,423,493,470,350.38/28,082,760.40
  6. Step 6: Final answer
    x = 21,629,764.48

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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.