Home / 12,927,183.09-17,840,579.14-7,421,620.40

Finding the Fourth Proportional to 12,927,183.09, 17,840,579.14 and 7,421,620.40

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Solution

The fourth proportional to 12,927,183.09, 17,840,579.14 and 7,421,620.40 is: 10,242,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,183.09 : 17,840,579.14 = 7,421,620.40 : x
  2. Step 2: Convert to fraction form
    12,927,183.09/17,840,579.14 = 7,421,620.40/x
  3. Step 3: Cross multiply
    12,927,183.09x = 17,840,579.14 × 7,421,620.40
  4. Step 4: Simplify right side
    12,927,183.09x = 132,406,006,109,514.36
  5. Step 5: Solve for x
    x = 132,406,006,109,514.36/12,927,183.09
  6. Step 6: Final answer
    x = 10,242,448.43

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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.