Home / 28,828,333.67-39,783,096.47-15,775,589.14

Finding the Fourth Proportional to 28,828,333.67, 39,783,096.47 and 15,775,589.14

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Solution

The fourth proportional to 28,828,333.67, 39,783,096.47 and 15,775,589.14 is: 21,770,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828,333.67 : 39,783,096.47 = 15,775,589.14 : x
  2. Step 2: Convert to fraction form
    28,828,333.67/39,783,096.47 = 15,775,589.14/x
  3. Step 3: Cross multiply
    28,828,333.67x = 39,783,096.47 × 15,775,589.14
  4. Step 4: Simplify right side
    28,828,333.67x = 627,601,784,349,911
  5. Step 5: Solve for x
    x = 627,601,784,349,911/28,828,333.67
  6. Step 6: Final answer
    x = 21,770,310.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.