Home / 6,865,619.80-10,298,429.70-5,276,205.40

Finding the Fourth Proportional to 6,865,619.80, 10,298,429.70 and 5,276,205.40

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Solution

The fourth proportional to 6,865,619.80, 10,298,429.70 and 5,276,205.40 is: 7,914,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865,619.80 : 10,298,429.70 = 5,276,205.40 : x
  2. Step 2: Convert to fraction form
    6,865,619.80/10,298,429.70 = 5,276,205.40/x
  3. Step 3: Cross multiply
    6,865,619.80x = 10,298,429.70 × 5,276,205.40
  4. Step 4: Simplify right side
    6,865,619.80x = 54,336,630,394,660.38
  5. Step 5: Solve for x
    x = 54,336,630,394,660.38/6,865,619.80
  6. Step 6: Final answer
    x = 7,914,308.10

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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.