Home / 13,590,695.64-18,755,162.61-7,479,124.14

Finding the Fourth Proportional to 13,590,695.64, 18,755,162.61 and 7,479,124.14

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Solution

The fourth proportional to 13,590,695.64, 18,755,162.61 and 7,479,124.14 is: 10,321,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,695.64 : 18,755,162.61 = 7,479,124.14 : x
  2. Step 2: Convert to fraction form
    13,590,695.64/18,755,162.61 = 7,479,124.14/x
  3. Step 3: Cross multiply
    13,590,695.64x = 18,755,162.61 × 7,479,124.14
  4. Step 4: Simplify right side
    13,590,695.64x = 140,272,189,426,076.39
  5. Step 5: Solve for x
    x = 140,272,189,426,076.39/13,590,695.64
  6. Step 6: Final answer
    x = 10,321,192.76

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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.