Home / 20,537,439.17-30,810,883.28-6,892,396.25

Finding the Fourth Proportional to 20,537,439.17, 30,810,883.28 and 6,892,396.25

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Solution

The fourth proportional to 20,537,439.17, 30,810,883.28 and 6,892,396.25 is: 10,340,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537,439.17 : 30,810,883.28 = 6,892,396.25 : x
  2. Step 2: Convert to fraction form
    20,537,439.17/30,810,883.28 = 6,892,396.25/x
  3. Step 3: Cross multiply
    20,537,439.17x = 30,810,883.28 × 6,892,396.25
  4. Step 4: Simplify right side
    20,537,439.17x = 212,360,816,189,743.28
  5. Step 5: Solve for x
    x = 212,360,816,189,743.28/20,537,439.17
  6. Step 6: Final answer
    x = 10,340,179.93

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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.