Home / 13,420,017.60-20,130,026.40-3,322,638.72

Finding the Fourth Proportional to 13,420,017.60, 20,130,026.40 and 3,322,638.72

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Solution

The fourth proportional to 13,420,017.60, 20,130,026.40 and 3,322,638.72 is: 4,983,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,420,017.60 : 20,130,026.40 = 3,322,638.72 : x
  2. Step 2: Convert to fraction form
    13,420,017.60/20,130,026.40 = 3,322,638.72/x
  3. Step 3: Cross multiply
    13,420,017.60x = 20,130,026.40 × 3,322,638.72
  4. Step 4: Simplify right side
    13,420,017.60x = 66,884,805,151,262.21
  5. Step 5: Solve for x
    x = 66,884,805,151,262.21/13,420,017.60
  6. Step 6: Final answer
    x = 4,983,958.08

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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.