Home / 9,979,623.56-13,759,396.54-8,328,154.25

Finding the Fourth Proportional to 9,979,623.56, 13,759,396.54 and 8,328,154.25

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Solution

The fourth proportional to 9,979,623.56, 13,759,396.54 and 8,328,154.25 is: 11,482,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,623.56 : 13,759,396.54 = 8,328,154.25 : x
  2. Step 2: Convert to fraction form
    9,979,623.56/13,759,396.54 = 8,328,154.25/x
  3. Step 3: Cross multiply
    9,979,623.56x = 13,759,396.54 × 8,328,154.25
  4. Step 4: Simplify right side
    9,979,623.56x = 114,590,376,661,598.55
  5. Step 5: Solve for x
    x = 114,590,376,661,598.55/9,979,623.56
  6. Step 6: Final answer
    x = 11,482,434.79

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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.