Home / 62,921,915.56-86,874,004.74-39,435,751.72

Finding the Fourth Proportional to 62,921,915.56, 86,874,004.74 and 39,435,751.72

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Solution

The fourth proportional to 62,921,915.56, 86,874,004.74 and 39,435,751.72 is: 54,447,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,921,915.56 : 86,874,004.74 = 39,435,751.72 : x
  2. Step 2: Convert to fraction form
    62,921,915.56/86,874,004.74 = 39,435,751.72/x
  3. Step 3: Cross multiply
    62,921,915.56x = 86,874,004.74 × 39,435,751.72
  4. Step 4: Simplify right side
    62,921,915.56x = 3,425,941,681,848,743
  5. Step 5: Solve for x
    x = 3,425,941,681,848,743/62,921,915.56
  6. Step 6: Final answer
    x = 54,447,510.88

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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.