Home / 13,205,124-18,223,347.60-7,481,988

Finding the Fourth Proportional to 13,205,124, 18,223,347.60 and 7,481,988

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Solution

The fourth proportional to 13,205,124, 18,223,347.60 and 7,481,988 is: 10,325,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,124 : 18,223,347.60 = 7,481,988 : x
  2. Step 2: Convert to fraction form
    13,205,124/18,223,347.60 = 7,481,988/x
  3. Step 3: Cross multiply
    13,205,124x = 18,223,347.60 × 7,481,988
  4. Step 4: Simplify right side
    13,205,124x = 136,346,868,063,028.81
  5. Step 5: Solve for x
    x = 136,346,868,063,028.81/13,205,124
  6. Step 6: Final answer
    x = 10,325,300.09

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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.