Home / 13,687,700.60-18,887,049.78-7,576,114.52

Finding the Fourth Proportional to 13,687,700.60, 18,887,049.78 and 7,576,114.52

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Solution

The fourth proportional to 13,687,700.60, 18,887,049.78 and 7,576,114.52 is: 10,453,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,700.60 : 18,887,049.78 = 7,576,114.52 : x
  2. Step 2: Convert to fraction form
    13,687,700.60/18,887,049.78 = 7,576,114.52/x
  3. Step 3: Cross multiply
    13,687,700.60x = 18,887,049.78 × 7,576,114.52
  4. Step 4: Simplify right side
    13,687,700.60x = 143,090,452,078,220.81
  5. Step 5: Solve for x
    x = 143,090,452,078,220.81/13,687,700.60
  6. Step 6: Final answer
    x = 10,453,943.75

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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.