Home / 20,581,331.64-30,876,655.14-6,934,107.24

Finding the Fourth Proportional to 20,581,331.64, 30,876,655.14 and 6,934,107.24

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Solution

The fourth proportional to 20,581,331.64, 30,876,655.14 and 6,934,107.24 is: 10,402,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581,331.64 : 30,876,655.14 = 6,934,107.24 : x
  2. Step 2: Convert to fraction form
    20,581,331.64/30,876,655.14 = 6,934,107.24/x
  3. Step 3: Cross multiply
    20,581,331.64x = 30,876,655.14 × 6,934,107.24
  4. Step 4: Simplify right side
    20,581,331.64x = 214,102,037,953,257.22
  5. Step 5: Solve for x
    x = 214,102,037,953,257.22/20,581,331.64
  6. Step 6: Final answer
    x = 10,402,730.09

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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.