Home / 13,389,678.24-20,084,342.40-3,292,386.72

Finding the Fourth Proportional to 13,389,678.24, 20,084,342.40 and 3,292,386.72

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Solution

The fourth proportional to 13,389,678.24, 20,084,342.40 and 3,292,386.72 is: 4,938,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389,678.24 : 20,084,342.40 = 3,292,386.72 : x
  2. Step 2: Convert to fraction form
    13,389,678.24/20,084,342.40 = 3,292,386.72/x
  3. Step 3: Cross multiply
    13,389,678.24x = 20,084,342.40 × 3,292,386.72
  4. Step 4: Simplify right side
    13,389,678.24x = 66,125,422,197,692.93
  5. Step 5: Solve for x
    x = 66,125,422,197,692.93/13,389,678.24
  6. Step 6: Final answer
    x = 4,938,537.06

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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.