Home / 13,364,494.80-20,046,742.20-7,702,184.40

Finding the Fourth Proportional to 13,364,494.80, 20,046,742.20 and 7,702,184.40

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Solution

The fourth proportional to 13,364,494.80, 20,046,742.20 and 7,702,184.40 is: 11,553,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364,494.80 : 20,046,742.20 = 7,702,184.40 : x
  2. Step 2: Convert to fraction form
    13,364,494.80/20,046,742.20 = 7,702,184.40/x
  3. Step 3: Cross multiply
    13,364,494.80x = 20,046,742.20 × 7,702,184.40
  4. Step 4: Simplify right side
    13,364,494.80x = 154,403,705,043,661.69
  5. Step 5: Solve for x
    x = 154,403,705,043,661.69/13,364,494.80
  6. Step 6: Final answer
    x = 11,553,276.60

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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.