Home / 12,062,639.20-18,093,958.80-9,671,154.70

Finding the Fourth Proportional to 12,062,639.20, 18,093,958.80 and 9,671,154.70

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Solution

The fourth proportional to 12,062,639.20, 18,093,958.80 and 9,671,154.70 is: 14,506,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062,639.20 : 18,093,958.80 = 9,671,154.70 : x
  2. Step 2: Convert to fraction form
    12,062,639.20/18,093,958.80 = 9,671,154.70/x
  3. Step 3: Cross multiply
    12,062,639.20x = 18,093,958.80 × 9,671,154.70
  4. Step 4: Simplify right side
    12,062,639.20x = 174,989,474,690,226.34
  5. Step 5: Solve for x
    x = 174,989,474,690,226.34/12,062,639.20
  6. Step 6: Final answer
    x = 14,506,732.05

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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.