Home / 28,674,992.40-42,888,072.60-25,664,125.20

Finding the Fourth Proportional to 28,674,992.40, 42,888,072.60 and 25,664,125.20

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Solution

The fourth proportional to 28,674,992.40, 42,888,072.60 and 25,664,125.20 is: 38,384,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674,992.40 : 42,888,072.60 = 25,664,125.20 : x
  2. Step 2: Convert to fraction form
    28,674,992.40/42,888,072.60 = 25,664,125.20/x
  3. Step 3: Cross multiply
    28,674,992.40x = 42,888,072.60 × 25,664,125.20
  4. Step 4: Simplify right side
    28,674,992.40x = 1,100,684,864,793,089.50
  5. Step 5: Solve for x
    x = 1,100,684,864,793,089.50/28,674,992.40
  6. Step 6: Final answer
    x = 38,384,835.45

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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.