Home / 13,319,273.81-18,380,597.90-7,207,702.31

Finding the Fourth Proportional to 13,319,273.81, 18,380,597.90 and 7,207,702.31

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Solution

The fourth proportional to 13,319,273.81, 18,380,597.90 and 7,207,702.31 is: 9,946,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,273.81 : 18,380,597.90 = 7,207,702.31 : x
  2. Step 2: Convert to fraction form
    13,319,273.81/18,380,597.90 = 7,207,702.31/x
  3. Step 3: Cross multiply
    13,319,273.81x = 18,380,597.90 × 7,207,702.31
  4. Step 4: Simplify right side
    13,319,273.81x = 132,481,877,952,924.12
  5. Step 5: Solve for x
    x = 132,481,877,952,924.12/13,319,273.81
  6. Step 6: Final answer
    x = 9,946,629.21

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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.