Home / 13,561,360.40-18,696,869.20-9,786,254.62

Finding the Fourth Proportional to 13,561,360.40, 18,696,869.20 and 9,786,254.62

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Solution

The fourth proportional to 13,561,360.40, 18,696,869.20 and 9,786,254.62 is: 13,492,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,360.40 : 18,696,869.20 = 9,786,254.62 : x
  2. Step 2: Convert to fraction form
    13,561,360.40/18,696,869.20 = 9,786,254.62/x
  3. Step 3: Cross multiply
    13,561,360.40x = 18,696,869.20 × 9,786,254.62
  4. Step 4: Simplify right side
    13,561,360.40x = 182,972,322,588,035.69
  5. Step 5: Solve for x
    x = 182,972,322,588,035.69/13,561,360.40
  6. Step 6: Final answer
    x = 13,492,180.52

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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.