Home / 13,520,482.79-20,280,749.47-3,285,351.04

Finding the Fourth Proportional to 13,520,482.79, 20,280,749.47 and 3,285,351.04

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Solution

The fourth proportional to 13,520,482.79, 20,280,749.47 and 3,285,351.04 is: 4,928,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,482.79 : 20,280,749.47 = 3,285,351.04 : x
  2. Step 2: Convert to fraction form
    13,520,482.79/20,280,749.47 = 3,285,351.04/x
  3. Step 3: Cross multiply
    13,520,482.79x = 20,280,749.47 × 3,285,351.04
  4. Step 4: Simplify right side
    13,520,482.79x = 66,629,381,360,835.20
  5. Step 5: Solve for x
    x = 66,629,381,360,835.20/13,520,482.79
  6. Step 6: Final answer
    x = 4,928,032.70

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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.