Home / 20,159,392.20-30,239,088.30-12,097,235.40

Finding the Fourth Proportional to 20,159,392.20, 30,239,088.30 and 12,097,235.40

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Solution

The fourth proportional to 20,159,392.20, 30,239,088.30 and 12,097,235.40 is: 18,145,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,392.20 : 30,239,088.30 = 12,097,235.40 : x
  2. Step 2: Convert to fraction form
    20,159,392.20/30,239,088.30 = 12,097,235.40/x
  3. Step 3: Cross multiply
    20,159,392.20x = 30,239,088.30 × 12,097,235.40
  4. Step 4: Simplify right side
    20,159,392.20x = 365,809,369,446,485.81
  5. Step 5: Solve for x
    x = 365,809,369,446,485.81/20,159,392.20
  6. Step 6: Final answer
    x = 18,145,853.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.