Home / 7,189,820.71-9,922,197.44-4,252,156.02

Finding the Fourth Proportional to 7,189,820.71, 9,922,197.44 and 4,252,156.02

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Solution

The fourth proportional to 7,189,820.71, 9,922,197.44 and 4,252,156.02 is: 5,868,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,820.71 : 9,922,197.44 = 4,252,156.02 : x
  2. Step 2: Convert to fraction form
    7,189,820.71/9,922,197.44 = 4,252,156.02/x
  3. Step 3: Cross multiply
    7,189,820.71x = 9,922,197.44 × 4,252,156.02
  4. Step 4: Simplify right side
    7,189,820.71x = 42,190,731,576,124.59
  5. Step 5: Solve for x
    x = 42,190,731,576,124.59/7,189,820.71
  6. Step 6: Final answer
    x = 5,868,120.12

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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.