Home / 15,237,056.72-21,027,744.78-8,361,784.82

Finding the Fourth Proportional to 15,237,056.72, 21,027,744.78 and 8,361,784.82

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Solution

The fourth proportional to 15,237,056.72, 21,027,744.78 and 8,361,784.82 is: 11,539,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237,056.72 : 21,027,744.78 = 8,361,784.82 : x
  2. Step 2: Convert to fraction form
    15,237,056.72/21,027,744.78 = 8,361,784.82/x
  3. Step 3: Cross multiply
    15,237,056.72x = 21,027,744.78 × 8,361,784.82
  4. Step 4: Simplify right side
    15,237,056.72x = 175,829,477,100,238.25
  5. Step 5: Solve for x
    x = 175,829,477,100,238.25/15,237,056.72
  6. Step 6: Final answer
    x = 11,539,595.89

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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.