Home / 13,389,886.03-20,086,720.46-4,289,854.89

Finding the Fourth Proportional to 13,389,886.03, 20,086,720.46 and 4,289,854.89

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Solution

The fourth proportional to 13,389,886.03, 20,086,720.46 and 4,289,854.89 is: 6,435,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389,886.03 : 20,086,720.46 = 4,289,854.89 : x
  2. Step 2: Convert to fraction form
    13,389,886.03/20,086,720.46 = 4,289,854.89/x
  3. Step 3: Cross multiply
    13,389,886.03x = 20,086,720.46 × 4,289,854.89
  4. Step 4: Simplify right side
    13,389,886.03x = 86,169,115,989,394.05
  5. Step 5: Solve for x
    x = 86,169,115,989,394.05/13,389,886.03
  6. Step 6: Final answer
    x = 6,435,388.31

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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.