Home / 7,215,635.80-10,823,453.70-6,564,784.60

Finding the Fourth Proportional to 7,215,635.80, 10,823,453.70 and 6,564,784.60

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Solution

The fourth proportional to 7,215,635.80, 10,823,453.70 and 6,564,784.60 is: 9,847,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,635.80 : 10,823,453.70 = 6,564,784.60 : x
  2. Step 2: Convert to fraction form
    7,215,635.80/10,823,453.70 = 6,564,784.60/x
  3. Step 3: Cross multiply
    7,215,635.80x = 10,823,453.70 × 6,564,784.60
  4. Step 4: Simplify right side
    7,215,635.80x = 71,053,642,168,573.02
  5. Step 5: Solve for x
    x = 71,053,642,168,573.02/7,215,635.80
  6. Step 6: Final answer
    x = 9,847,176.90

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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.