Home / 27,809,011.36-38,380,406.40-15,421,859.52

Finding the Fourth Proportional to 27,809,011.36, 38,380,406.40 and 15,421,859.52

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Solution

The fourth proportional to 27,809,011.36, 38,380,406.40 and 15,421,859.52 is: 21,284,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809,011.36 : 38,380,406.40 = 15,421,859.52 : x
  2. Step 2: Convert to fraction form
    27,809,011.36/38,380,406.40 = 15,421,859.52/x
  3. Step 3: Cross multiply
    27,809,011.36x = 38,380,406.40 × 15,421,859.52
  4. Step 4: Simplify right side
    27,809,011.36x = 591,897,235,821,308.88
  5. Step 5: Solve for x
    x = 591,897,235,821,308.88/27,809,011.36
  6. Step 6: Final answer
    x = 21,284,368.16

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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.