Home / 15,729,164.12-21,706,919.93-8,759,841.63

Finding the Fourth Proportional to 15,729,164.12, 21,706,919.93 and 8,759,841.63

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Solution

The fourth proportional to 15,729,164.12, 21,706,919.93 and 8,759,841.63 is: 12,088,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729,164.12 : 21,706,919.93 = 8,759,841.63 : x
  2. Step 2: Convert to fraction form
    15,729,164.12/21,706,919.93 = 8,759,841.63/x
  3. Step 3: Cross multiply
    15,729,164.12x = 21,706,919.93 × 8,759,841.63
  4. Step 4: Simplify right side
    15,729,164.12x = 190,149,180,709,556.88
  5. Step 5: Solve for x
    x = 190,149,180,709,556.88/15,729,164.12
  6. Step 6: Final answer
    x = 12,088,956.49

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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.