Home / 7,990,576.40-11,985,864.60-2,671,792.40

Finding the Fourth Proportional to 7,990,576.40, 11,985,864.60 and 2,671,792.40

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Solution

The fourth proportional to 7,990,576.40, 11,985,864.60 and 2,671,792.40 is: 4,007,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,576.40 : 11,985,864.60 = 2,671,792.40 : x
  2. Step 2: Convert to fraction form
    7,990,576.40/11,985,864.60 = 2,671,792.40/x
  3. Step 3: Cross multiply
    7,990,576.40x = 11,985,864.60 × 2,671,792.40
  4. Step 4: Simplify right side
    7,990,576.40x = 32,023,741,945,709.04
  5. Step 5: Solve for x
    x = 32,023,741,945,709.04/7,990,576.40
  6. Step 6: Final answer
    x = 4,007,688.60

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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.