Home / 13,237,766.40-19,861,315.20-12,771,206.40

Finding the Fourth Proportional to 13,237,766.40, 19,861,315.20 and 12,771,206.40

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Solution

The fourth proportional to 13,237,766.40, 19,861,315.20 and 12,771,206.40 is: 19,161,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237,766.40 : 19,861,315.20 = 12,771,206.40 : x
  2. Step 2: Convert to fraction form
    13,237,766.40/19,861,315.20 = 12,771,206.40/x
  3. Step 3: Cross multiply
    13,237,766.40x = 19,861,315.20 × 12,771,206.40
  4. Step 4: Simplify right side
    13,237,766.40x = 253,652,955,794,657.28
  5. Step 5: Solve for x
    x = 253,652,955,794,657.28/13,237,766.40
  6. Step 6: Final answer
    x = 19,161,310.76

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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.