Home / 20,197,396.19-30,340,934.64-12,526,709.64

Finding the Fourth Proportional to 20,197,396.19, 30,340,934.64 and 12,526,709.64

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Solution

The fourth proportional to 20,197,396.19, 30,340,934.64 and 12,526,709.64 is: 18,817,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,396.19 : 30,340,934.64 = 12,526,709.64 : x
  2. Step 2: Convert to fraction form
    20,197,396.19/30,340,934.64 = 12,526,709.64/x
  3. Step 3: Cross multiply
    20,197,396.19x = 30,340,934.64 × 12,526,709.64
  4. Step 4: Simplify right side
    20,197,396.19x = 380,072,078,441,497.94
  5. Step 5: Solve for x
    x = 380,072,078,441,497.94/20,197,396.19
  6. Step 6: Final answer
    x = 18,817,875.08

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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.