Home / 12,791,940.75-19,189,201.46-4,155,681.87

Finding the Fourth Proportional to 12,791,940.75, 19,189,201.46 and 4,155,681.87

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Solution

The fourth proportional to 12,791,940.75, 19,189,201.46 and 4,155,681.87 is: 6,233,941.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,940.75 : 19,189,201.46 = 4,155,681.87 : x
  2. Step 2: Convert to fraction form
    12,791,940.75/19,189,201.46 = 4,155,681.87/x
  3. Step 3: Cross multiply
    12,791,940.75x = 19,189,201.46 × 4,155,681.87
  4. Step 4: Simplify right side
    12,791,940.75x = 79,744,216,586,321.11
  5. Step 5: Solve for x
    x = 79,744,216,586,321.11/12,791,940.75
  6. Step 6: Final answer
    x = 6,233,941.99

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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.