Home / 8,145,240.40-12,196,865.40-6,465,624.40

Finding the Fourth Proportional to 8,145,240.40, 12,196,865.40 and 6,465,624.40

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Solution

The fourth proportional to 8,145,240.40, 12,196,865.40 and 6,465,624.40 is: 9,681,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,240.40 : 12,196,865.40 = 6,465,624.40 : x
  2. Step 2: Convert to fraction form
    8,145,240.40/12,196,865.40 = 6,465,624.40/x
  3. Step 3: Cross multiply
    8,145,240.40x = 12,196,865.40 × 6,465,624.40
  4. Step 4: Simplify right side
    8,145,240.40x = 78,860,350,533,755.77
  5. Step 5: Solve for x
    x = 78,860,350,533,755.77/8,145,240.40
  6. Step 6: Final answer
    x = 9,681,770.78

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1.5x scale

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.