Home / 13,610,013.60-20,415,020.40-13,515,535.20

Finding the Fourth Proportional to 13,610,013.60, 20,415,020.40 and 13,515,535.20

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Solution

The fourth proportional to 13,610,013.60, 20,415,020.40 and 13,515,535.20 is: 20,273,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,013.60 : 20,415,020.40 = 13,515,535.20 : x
  2. Step 2: Convert to fraction form
    13,610,013.60/20,415,020.40 = 13,515,535.20/x
  3. Step 3: Cross multiply
    13,610,013.60x = 20,415,020.40 × 13,515,535.20
  4. Step 4: Simplify right side
    13,610,013.60x = 275,919,926,824,918.03
  5. Step 5: Solve for x
    x = 275,919,926,824,918.03/13,610,013.60
  6. Step 6: Final answer
    x = 20,273,302.80

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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.