Home / 15,433,797.12-21,299,731.20-8,558,937.60

Finding the Fourth Proportional to 15,433,797.12, 21,299,731.20 and 8,558,937.60

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Solution

The fourth proportional to 15,433,797.12, 21,299,731.20 and 8,558,937.60 is: 11,811,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433,797.12 : 21,299,731.20 = 8,558,937.60 : x
  2. Step 2: Convert to fraction form
    15,433,797.12/21,299,731.20 = 8,558,937.60/x
  3. Step 3: Cross multiply
    15,433,797.12x = 21,299,731.20 × 8,558,937.60
  4. Step 4: Simplify right side
    15,433,797.12x = 182,303,070,237,573.09
  5. Step 5: Solve for x
    x = 182,303,070,237,573.09/15,433,797.12
  6. Step 6: Final answer
    x = 11,811,939.01

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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.