Home / 13,319,274.57-18,380,598.93-7,207,703.07

Finding the Fourth Proportional to 13,319,274.57, 18,380,598.93 and 7,207,703.07

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Solution

The fourth proportional to 13,319,274.57, 18,380,598.93 and 7,207,703.07 is: 9,946,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,274.57 : 18,380,598.93 = 7,207,703.07 : x
  2. Step 2: Convert to fraction form
    13,319,274.57/18,380,598.93 = 7,207,703.07/x
  3. Step 3: Cross multiply
    13,319,274.57x = 18,380,598.93 × 7,207,703.07
  4. Step 4: Simplify right side
    13,319,274.57x = 132,481,899,336,199.72
  5. Step 5: Solve for x
    x = 132,481,899,336,199.72/13,319,274.57
  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.