Home / 25,286,814.40-37,874,234.40-20,807,838.40

Finding the Fourth Proportional to 25,286,814.40, 37,874,234.40 and 20,807,838.40

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Solution

The fourth proportional to 25,286,814.40, 37,874,234.40 and 20,807,838.40 is: 31,165,687.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286,814.40 : 37,874,234.40 = 20,807,838.40 : x
  2. Step 2: Convert to fraction form
    25,286,814.40/37,874,234.40 = 20,807,838.40/x
  3. Step 3: Cross multiply
    25,286,814.40x = 37,874,234.40 × 20,807,838.40
  4. Step 4: Simplify right side
    25,286,814.40x = 788,080,948,918,920.88
  5. Step 5: Solve for x
    x = 788,080,948,918,920.88/25,286,814.40
  6. Step 6: Final answer
    x = 31,165,687.24

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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.