Home / 13,115,133.66-18,100,185.60-9,801,673.14

Finding the Fourth Proportional to 13,115,133.66, 18,100,185.60 and 9,801,673.14

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Solution

The fourth proportional to 13,115,133.66, 18,100,185.60 and 9,801,673.14 is: 13,527,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,133.66 : 18,100,185.60 = 9,801,673.14 : x
  2. Step 2: Convert to fraction form
    13,115,133.66/18,100,185.60 = 9,801,673.14/x
  3. Step 3: Cross multiply
    13,115,133.66x = 18,100,185.60 × 9,801,673.14
  4. Step 4: Simplify right side
    13,115,133.66x = 177,412,103,024,534.81
  5. Step 5: Solve for x
    x = 177,412,103,024,534.81/13,115,133.66
  6. Step 6: Final answer
    x = 13,527,281.35

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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.