Home / 13,409,758.80-20,114,638.20-4,890,373.20

Finding the Fourth Proportional to 13,409,758.80, 20,114,638.20 and 4,890,373.20

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Solution

The fourth proportional to 13,409,758.80, 20,114,638.20 and 4,890,373.20 is: 7,335,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,758.80 : 20,114,638.20 = 4,890,373.20 : x
  2. Step 2: Convert to fraction form
    13,409,758.80/20,114,638.20 = 4,890,373.20/x
  3. Step 3: Cross multiply
    13,409,758.80x = 20,114,638.20 × 4,890,373.20
  4. Step 4: Simplify right side
    13,409,758.80x = 98,368,087,580,976.23
  5. Step 5: Solve for x
    x = 98,368,087,580,976.23/13,409,758.80
  6. Step 6: Final answer
    x = 7,335,559.80

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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.