Home / 9,968,015.75-13,755,867.20-5,384,337.13

Finding the Fourth Proportional to 9,968,015.75, 13,755,867.20 and 5,384,337.13

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Solution

The fourth proportional to 9,968,015.75, 13,755,867.20 and 5,384,337.13 is: 7,430,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,015.75 : 13,755,867.20 = 5,384,337.13 : x
  2. Step 2: Convert to fraction form
    9,968,015.75/13,755,867.20 = 5,384,337.13/x
  3. Step 3: Cross multiply
    9,968,015.75x = 13,755,867.20 × 5,384,337.13
  4. Step 4: Simplify right side
    9,968,015.75x = 74,066,226,520,309.12
  5. Step 5: Solve for x
    x = 74,066,226,520,309.12/9,968,015.75
  6. Step 6: Final answer
    x = 7,430,388.19

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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.