Home / 13,801,990.70-20,706,826.80-6,021,585.78

Finding the Fourth Proportional to 13,801,990.70, 20,706,826.80 and 6,021,585.78

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Solution

The fourth proportional to 13,801,990.70, 20,706,826.80 and 6,021,585.78 is: 9,034,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801,990.70 : 20,706,826.80 = 6,021,585.78 : x
  2. Step 2: Convert to fraction form
    13,801,990.70/20,706,826.80 = 6,021,585.78/x
  3. Step 3: Cross multiply
    13,801,990.70x = 20,706,826.80 × 6,021,585.78
  4. Step 4: Simplify right side
    13,801,990.70x = 124,687,933,807,802.91
  5. Step 5: Solve for x
    x = 124,687,933,807,802.91/13,801,990.70
  6. Step 6: Final answer
    x = 9,034,054.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.