Home / 13,319,260.04-18,380,578.85-7,207,688.54

Finding the Fourth Proportional to 13,319,260.04, 18,380,578.85 and 7,207,688.54

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Solution

The fourth proportional to 13,319,260.04, 18,380,578.85 and 7,207,688.54 is: 9,946,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,260.04 : 18,380,578.85 = 7,207,688.54 : x
  2. Step 2: Convert to fraction form
    13,319,260.04/18,380,578.85 = 7,207,688.54/x
  3. Step 3: Cross multiply
    13,319,260.04x = 18,380,578.85 × 7,207,688.54
  4. Step 4: Simplify right side
    13,319,260.04x = 132,481,487,461,827.70
  5. Step 5: Solve for x
    x = 132,481,487,461,827.70/13,319,260.04
  6. Step 6: Final answer
    x = 9,946,610.18

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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.