Home / 12,764,963.40-19,147,445.10-3,789,515.40

Finding the Fourth Proportional to 12,764,963.40, 19,147,445.10 and 3,789,515.40

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Solution

The fourth proportional to 12,764,963.40, 19,147,445.10 and 3,789,515.40 is: 5,684,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764,963.40 : 19,147,445.10 = 3,789,515.40 : x
  2. Step 2: Convert to fraction form
    12,764,963.40/19,147,445.10 = 3,789,515.40/x
  3. Step 3: Cross multiply
    12,764,963.40x = 19,147,445.10 × 3,789,515.40
  4. Step 4: Simplify right side
    12,764,963.40x = 72,559,538,077,104.55
  5. Step 5: Solve for x
    x = 72,559,538,077,104.55/12,764,963.40
  6. Step 6: Final answer
    x = 5,684,273.10

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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.