Home / 21,808,677.60-30,096,178.56-12,019,471.20

Finding the Fourth Proportional to 21,808,677.60, 30,096,178.56 and 12,019,471.20

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Solution

The fourth proportional to 21,808,677.60, 30,096,178.56 and 12,019,471.20 is: 16,586,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808,677.60 : 30,096,178.56 = 12,019,471.20 : x
  2. Step 2: Convert to fraction form
    21,808,677.60/30,096,178.56 = 12,019,471.20/x
  3. Step 3: Cross multiply
    21,808,677.60x = 30,096,178.56 × 12,019,471.20
  4. Step 4: Simplify right side
    21,808,677.60x = 361,740,151,431,977.44
  5. Step 5: Solve for x
    x = 361,740,151,431,977.44/21,808,677.60
  6. Step 6: Final answer
    x = 16,586,982.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.