Home / 25,286,806.40-37,874,222.40-20,807,830.40

Finding the Fourth Proportional to 25,286,806.40, 37,874,222.40 and 20,807,830.40

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Solution

The fourth proportional to 25,286,806.40, 37,874,222.40 and 20,807,830.40 is: 31,165,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286,806.40 : 37,874,222.40 = 20,807,830.40 : x
  2. Step 2: Convert to fraction form
    25,286,806.40/37,874,222.40 = 20,807,830.40/x
  3. Step 3: Cross multiply
    25,286,806.40x = 37,874,222.40 × 20,807,830.40
  4. Step 4: Simplify right side
    25,286,806.40x = 788,080,396,231,080.88
  5. Step 5: Solve for x
    x = 788,080,396,231,080.88/25,286,806.40
  6. Step 6: Final answer
    x = 31,165,675.24

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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.