Home / 7,938,915.04-11,905,167.12-3,078,662.56

Finding the Fourth Proportional to 7,938,915.04, 11,905,167.12 and 3,078,662.56

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Solution

The fourth proportional to 7,938,915.04, 11,905,167.12 and 3,078,662.56 is: 4,616,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,915.04 : 11,905,167.12 = 3,078,662.56 : x
  2. Step 2: Convert to fraction form
    7,938,915.04/11,905,167.12 = 3,078,662.56/x
  3. Step 3: Cross multiply
    7,938,915.04x = 11,905,167.12 × 3,078,662.56
  4. Step 4: Simplify right side
    7,938,915.04x = 36,651,992,282,887.02
  5. Step 5: Solve for x
    x = 36,651,992,282,887.02/7,938,915.04
  6. Step 6: Final answer
    x = 4,616,750.79

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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.