Home / 13,319,274.56-18,380,598.94-7,207,703.06

Finding the Fourth Proportional to 13,319,274.56, 18,380,598.94 and 7,207,703.06

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Solution

The fourth proportional to 13,319,274.56, 18,380,598.94 and 7,207,703.06 is: 9,946,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,274.56 : 18,380,598.94 = 7,207,703.06 : x
  2. Step 2: Convert to fraction form
    13,319,274.56/18,380,598.94 = 7,207,703.06/x
  3. Step 3: Cross multiply
    13,319,274.56x = 18,380,598.94 × 7,207,703.06
  4. Step 4: Simplify right side
    13,319,274.56x = 132,481,899,224,470.77
  5. Step 5: Solve for x
    x = 132,481,899,224,470.77/13,319,274.56
  6. Step 6: Final answer
    x = 9,946,630.25

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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.