Home / 15,756,400.36-21,761,768.61-10,590,793.84

Finding the Fourth Proportional to 15,756,400.36, 21,761,768.61 and 10,590,793.84

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Solution

The fourth proportional to 15,756,400.36, 21,761,768.61 and 10,590,793.84 is: 14,627,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,400.36 : 21,761,768.61 = 10,590,793.84 : x
  2. Step 2: Convert to fraction form
    15,756,400.36/21,761,768.61 = 10,590,793.84/x
  3. Step 3: Cross multiply
    15,756,400.36x = 21,761,768.61 × 10,590,793.84
  4. Step 4: Simplify right side
    15,756,400.36x = 230,474,404,969,495.59
  5. Step 5: Solve for x
    x = 230,474,404,969,495.59/15,756,400.36
  6. Step 6: Final answer
    x = 14,627,351.41

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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.