Home / 26,393,214-39,538,280.76-12,540,459.05

Finding the Fourth Proportional to 26,393,214, 39,538,280.76 and 12,540,459.05

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Solution

The fourth proportional to 26,393,214, 39,538,280.76 and 12,540,459.05 is: 18,786,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393,214 : 39,538,280.76 = 12,540,459.05 : x
  2. Step 2: Convert to fraction form
    26,393,214/39,538,280.76 = 12,540,459.05/x
  3. Step 3: Cross multiply
    26,393,214x = 39,538,280.76 × 12,540,459.05
  4. Step 4: Simplify right side
    26,393,214x = 495,828,190,877,028.56
  5. Step 5: Solve for x
    x = 495,828,190,877,028.56/26,393,214
  6. Step 6: Final answer
    x = 18,786,199.77

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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.