Home / 11,479,237.48-15,840,749.85-7,128,230.36

Finding the Fourth Proportional to 11,479,237.48, 15,840,749.85 and 7,128,230.36

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Solution

The fourth proportional to 11,479,237.48, 15,840,749.85 and 7,128,230.36 is: 9,836,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479,237.48 : 15,840,749.85 = 7,128,230.36 : x
  2. Step 2: Convert to fraction form
    11,479,237.48/15,840,749.85 = 7,128,230.36/x
  3. Step 3: Cross multiply
    11,479,237.48x = 15,840,749.85 × 7,128,230.36
  4. Step 4: Simplify right side
    11,479,237.48x = 112,916,514,005,935.45
  5. Step 5: Solve for x
    x = 112,916,514,005,935.45/11,479,237.48
  6. Step 6: Final answer
    x = 9,836,586.64

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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.