Home / 13,687,805.68-18,887,194.60-7,576,219.60

Finding the Fourth Proportional to 13,687,805.68, 18,887,194.60 and 7,576,219.60

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Solution

The fourth proportional to 13,687,805.68, 18,887,194.60 and 7,576,219.60 is: 10,454,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,805.68 : 18,887,194.60 = 7,576,219.60 : x
  2. Step 2: Convert to fraction form
    13,687,805.68/18,887,194.60 = 7,576,219.60/x
  3. Step 3: Cross multiply
    13,687,805.68x = 18,887,194.60 × 7,576,219.60
  4. Step 4: Simplify right side
    13,687,805.68x = 143,093,533,917,534.16
  5. Step 5: Solve for x
    x = 143,093,533,917,534.16/13,687,805.68
  6. Step 6: Final answer
    x = 10,454,088.64

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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.