Home / 13,521,347.89-18,659,429.45-7,326,563.65

Finding the Fourth Proportional to 13,521,347.89, 18,659,429.45 and 7,326,563.65

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Solution

The fourth proportional to 13,521,347.89, 18,659,429.45 and 7,326,563.65 is: 10,110,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,347.89 : 18,659,429.45 = 7,326,563.65 : x
  2. Step 2: Convert to fraction form
    13,521,347.89/18,659,429.45 = 7,326,563.65/x
  3. Step 3: Cross multiply
    13,521,347.89x = 18,659,429.45 × 7,326,563.65
  4. Step 4: Simplify right side
    13,521,347.89x = 136,709,497,444,812.33
  5. Step 5: Solve for x
    x = 136,709,497,444,812.33/13,521,347.89
  6. Step 6: Final answer
    x = 10,110,641.23

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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.