Home / 28,265,416.60-42,398,124.90-25,431,064.60

Finding the Fourth Proportional to 28,265,416.60, 42,398,124.90 and 25,431,064.60

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Solution

The fourth proportional to 28,265,416.60, 42,398,124.90 and 25,431,064.60 is: 38,146,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265,416.60 : 42,398,124.90 = 25,431,064.60 : x
  2. Step 2: Convert to fraction form
    28,265,416.60/42,398,124.90 = 25,431,064.60/x
  3. Step 3: Cross multiply
    28,265,416.60x = 42,398,124.90 × 25,431,064.60
  4. Step 4: Simplify right side
    28,265,416.60x = 1,078,229,453,250,768.62
  5. Step 5: Solve for x
    x = 1,078,229,453,250,768.62/28,265,416.60
  6. Step 6: Final answer
    x = 38,146,596.90

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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.