Home / 25,286,821.40-37,874,244.90-20,807,845.40

Finding the Fourth Proportional to 25,286,821.40, 37,874,244.90 and 20,807,845.40

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Solution

The fourth proportional to 25,286,821.40, 37,874,244.90 and 20,807,845.40 is: 31,165,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286,821.40 : 37,874,244.90 = 20,807,845.40 : x
  2. Step 2: Convert to fraction form
    25,286,821.40/37,874,244.90 = 20,807,845.40/x
  3. Step 3: Cross multiply
    25,286,821.40x = 37,874,244.90 × 20,807,845.40
  4. Step 4: Simplify right side
    25,286,821.40x = 788,081,432,520,938.38
  5. Step 5: Solve for x
    x = 788,081,432,520,938.38/25,286,821.40
  6. Step 6: Final answer
    x = 31,165,697.74

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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.