Home / 15,166,469.92-20,929,774.80-9,054,767.20

Finding the Fourth Proportional to 15,166,469.92, 20,929,774.80 and 9,054,767.20

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Solution

The fourth proportional to 15,166,469.92, 20,929,774.80 and 9,054,767.20 is: 12,495,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166,469.92 : 20,929,774.80 = 9,054,767.20 : x
  2. Step 2: Convert to fraction form
    15,166,469.92/20,929,774.80 = 9,054,767.20/x
  3. Step 3: Cross multiply
    15,166,469.92x = 20,929,774.80 × 9,054,767.20
  4. Step 4: Simplify right side
    15,166,469.92x = 189,514,238,362,426.56
  5. Step 5: Solve for x
    x = 189,514,238,362,426.56/15,166,469.92
  6. Step 6: Final answer
    x = 12,495,606.38

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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.