Home / 14,015,433.60-21,023,150.40-8,346,729.60

Finding the Fourth Proportional to 14,015,433.60, 21,023,150.40 and 8,346,729.60

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Solution

The fourth proportional to 14,015,433.60, 21,023,150.40 and 8,346,729.60 is: 12,520,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,433.60 : 21,023,150.40 = 8,346,729.60 : x
  2. Step 2: Convert to fraction form
    14,015,433.60/21,023,150.40 = 8,346,729.60/x
  3. Step 3: Cross multiply
    14,015,433.60x = 21,023,150.40 × 8,346,729.60
  4. Step 4: Simplify right side
    14,015,433.60x = 175,474,551,728,931.81
  5. Step 5: Solve for x
    x = 175,474,551,728,931.81/14,015,433.60
  6. Step 6: Final answer
    x = 12,520,094.40

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Similar ratio
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1.5x scale

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.