Home / 12,279,848.48-16,940,963.08-9,010,983.32

Finding the Fourth Proportional to 12,279,848.48, 16,940,963.08 and 9,010,983.32

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Solution

The fourth proportional to 12,279,848.48, 16,940,963.08 and 9,010,983.32 is: 12,431,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279,848.48 : 16,940,963.08 = 9,010,983.32 : x
  2. Step 2: Convert to fraction form
    12,279,848.48/16,940,963.08 = 9,010,983.32/x
  3. Step 3: Cross multiply
    12,279,848.48x = 16,940,963.08 × 9,010,983.32
  4. Step 4: Simplify right side
    12,279,848.48x = 152,654,735,738,615.81
  5. Step 5: Solve for x
    x = 152,654,735,738,615.81/12,279,848.48
  6. Step 6: Final answer
    x = 12,431,320.79

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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.