Home / 15,764,930.56-21,755,594.55-8,521,586.56

Finding the Fourth Proportional to 15,764,930.56, 21,755,594.55 and 8,521,586.56

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Solution

The fourth proportional to 15,764,930.56, 21,755,594.55 and 8,521,586.56 is: 11,759,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764,930.56 : 21,755,594.55 = 8,521,586.56 : x
  2. Step 2: Convert to fraction form
    15,764,930.56/21,755,594.55 = 8,521,586.56/x
  3. Step 3: Cross multiply
    15,764,930.56x = 21,755,594.55 × 8,521,586.56
  4. Step 4: Simplify right side
    15,764,930.56x = 185,392,182,122,089.28
  5. Step 5: Solve for x
    x = 185,392,182,122,089.28/15,764,930.56
  6. Step 6: Final answer
    x = 11,759,784.25

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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.