Home / 18,925,307.97-28,387,962.56-5,972,771.31

Finding the Fourth Proportional to 18,925,307.97, 28,387,962.56 and 5,972,771.31

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Solution

The fourth proportional to 18,925,307.97, 28,387,962.56 and 5,972,771.31 is: 8,959,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925,307.97 : 28,387,962.56 = 5,972,771.31 : x
  2. Step 2: Convert to fraction form
    18,925,307.97/28,387,962.56 = 5,972,771.31/x
  3. Step 3: Cross multiply
    18,925,307.97x = 28,387,962.56 × 5,972,771.31
  4. Step 4: Simplify right side
    18,925,307.97x = 169,554,808,327,722.12
  5. Step 5: Solve for x
    x = 169,554,808,327,722.12/18,925,307.97
  6. Step 6: Final answer
    x = 8,959,157.16

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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.