Home / 46,656,072.40-69,984,108.60-21,097,915.60

Finding the Fourth Proportional to 46,656,072.40, 69,984,108.60 and 21,097,915.60

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Solution

The fourth proportional to 46,656,072.40, 69,984,108.60 and 21,097,915.60 is: 31,646,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,072.40 : 69,984,108.60 = 21,097,915.60 : x
  2. Step 2: Convert to fraction form
    46,656,072.40/69,984,108.60 = 21,097,915.60/x
  3. Step 3: Cross multiply
    46,656,072.40x = 69,984,108.60 × 21,097,915.60
  4. Step 4: Simplify right side
    46,656,072.40x = 1,476,518,816,584,034.25
  5. Step 5: Solve for x
    x = 1,476,518,816,584,034.25/46,656,072.40
  6. Step 6: Final answer
    x = 31,646,873.40

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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.