Home / 13,892,011.12-19,170,721.61-7,697,035.24

Finding the Fourth Proportional to 13,892,011.12, 19,170,721.61 and 7,697,035.24

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Solution

The fourth proportional to 13,892,011.12, 19,170,721.61 and 7,697,035.24 is: 10,621,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892,011.12 : 19,170,721.61 = 7,697,035.24 : x
  2. Step 2: Convert to fraction form
    13,892,011.12/19,170,721.61 = 7,697,035.24/x
  3. Step 3: Cross multiply
    13,892,011.12x = 19,170,721.61 × 7,697,035.24
  4. Step 4: Simplify right side
    13,892,011.12x = 147,557,719,750,851.44
  5. Step 5: Solve for x
    x = 147,557,719,750,851.44/13,892,011.12
  6. Step 6: Final answer
    x = 10,621,768.04

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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.