Home / 23,107,181.38-31,888,905.87-12,793,903.90

Finding the Fourth Proportional to 23,107,181.38, 31,888,905.87 and 12,793,903.90

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Solution

The fourth proportional to 23,107,181.38, 31,888,905.87 and 12,793,903.90 is: 17,656,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107,181.38 : 31,888,905.87 = 12,793,903.90 : x
  2. Step 2: Convert to fraction form
    23,107,181.38/31,888,905.87 = 12,793,903.90/x
  3. Step 3: Cross multiply
    23,107,181.38x = 31,888,905.87 × 12,793,903.90
  4. Step 4: Simplify right side
    23,107,181.38x = 407,983,597,176,925.94
  5. Step 5: Solve for x
    x = 407,983,597,176,925.94/23,107,181.38
  6. Step 6: Final answer
    x = 17,656,138.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.