Home / 7,000,500.40-10,488,940.80-3,398,511.40

Finding the Fourth Proportional to 7,000,500.40, 10,488,940.80 and 3,398,511.40

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Solution

The fourth proportional to 7,000,500.40, 10,488,940.80 and 3,398,511.40 is: 5,092,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,500.40 : 10,488,940.80 = 3,398,511.40 : x
  2. Step 2: Convert to fraction form
    7,000,500.40/10,488,940.80 = 3,398,511.40/x
  3. Step 3: Cross multiply
    7,000,500.40x = 10,488,940.80 × 3,398,511.40
  4. Step 4: Simplify right side
    7,000,500.40x = 35,646,784,882,725.12
  5. Step 5: Solve for x
    x = 35,646,784,882,725.12/7,000,500.40
  6. Step 6: Final answer
    x = 5,092,033.83

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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.