Home / 13,891,564.64-19,170,359.20-7,779,993.14

Finding the Fourth Proportional to 13,891,564.64, 19,170,359.20 and 7,779,993.14

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Solution

The fourth proportional to 13,891,564.64, 19,170,359.20 and 7,779,993.14 is: 10,736,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,564.64 : 19,170,359.20 = 7,779,993.14 : x
  2. Step 2: Convert to fraction form
    13,891,564.64/19,170,359.20 = 7,779,993.14/x
  3. Step 3: Cross multiply
    13,891,564.64x = 19,170,359.20 × 7,779,993.14
  4. Step 4: Simplify right side
    13,891,564.64x = 149,145,263,067,335.88
  5. Step 5: Solve for x
    x = 149,145,263,067,335.88/13,891,564.64
  6. Step 6: Final answer
    x = 10,736,390.53

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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.