Home / 7,168,796.16-9,892,908.96-3,905,600.88

Finding the Fourth Proportional to 7,168,796.16, 9,892,908.96 and 3,905,600.88

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Solution

The fourth proportional to 7,168,796.16, 9,892,908.96 and 3,905,600.88 is: 5,389,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,796.16 : 9,892,908.96 = 3,905,600.88 : x
  2. Step 2: Convert to fraction form
    7,168,796.16/9,892,908.96 = 3,905,600.88/x
  3. Step 3: Cross multiply
    7,168,796.16x = 9,892,908.96 × 3,905,600.88
  4. Step 4: Simplify right side
    7,168,796.16x = 38,637,753,939,935.89
  5. Step 5: Solve for x
    x = 38,637,753,939,935.89/7,168,796.16
  6. Step 6: Final answer
    x = 5,389,713.01

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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.