Home / 8,423,235.55-12,636,250.07-2,956,912.78

Finding the Fourth Proportional to 8,423,235.55, 12,636,250.07 and 2,956,912.78

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Solution

The fourth proportional to 8,423,235.55, 12,636,250.07 and 2,956,912.78 is: 4,435,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,235.55 : 12,636,250.07 = 2,956,912.78 : x
  2. Step 2: Convert to fraction form
    8,423,235.55/12,636,250.07 = 2,956,912.78/x
  3. Step 3: Cross multiply
    8,423,235.55x = 12,636,250.07 × 2,956,912.78
  4. Step 4: Simplify right side
    8,423,235.55x = 37,364,289,323,258.89
  5. Step 5: Solve for x
    x = 37,364,289,323,258.89/8,423,235.55
  6. Step 6: Final answer
    x = 4,435,859.49

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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.