Home / 18,678,956.40-28,030,244.40-11,002,586.40

Finding the Fourth Proportional to 18,678,956.40, 28,030,244.40 and 11,002,586.40

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Solution

The fourth proportional to 18,678,956.40, 28,030,244.40 and 11,002,586.40 is: 16,510,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,956.40 : 28,030,244.40 = 11,002,586.40 : x
  2. Step 2: Convert to fraction form
    18,678,956.40/28,030,244.40 = 11,002,586.40/x
  3. Step 3: Cross multiply
    18,678,956.40x = 28,030,244.40 × 11,002,586.40
  4. Step 4: Simplify right side
    18,678,956.40x = 308,405,185,824,116.12
  5. Step 5: Solve for x
    x = 308,405,185,824,116.12/18,678,956.40
  6. Step 6: Final answer
    x = 16,510,836.00

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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.