Home / 15,764,932.81-21,755,597.65-8,521,588.81

Finding the Fourth Proportional to 15,764,932.81, 21,755,597.65 and 8,521,588.81

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Solution

The fourth proportional to 15,764,932.81, 21,755,597.65 and 8,521,588.81 is: 11,759,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764,932.81 : 21,755,597.65 = 8,521,588.81 : x
  2. Step 2: Convert to fraction form
    15,764,932.81/21,755,597.65 = 8,521,588.81/x
  3. Step 3: Cross multiply
    15,764,932.81x = 21,755,597.65 × 8,521,588.81
  4. Step 4: Simplify right side
    15,764,932.81x = 185,392,257,489,102.28
  5. Step 5: Solve for x
    x = 185,392,257,489,102.28/15,764,932.81
  6. Step 6: Final answer
    x = 11,759,787.35

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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.