Home / 21,668,009.34-29,903,744.60-11,880,345.22

Finding the Fourth Proportional to 21,668,009.34, 29,903,744.60 and 11,880,345.22

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Solution

The fourth proportional to 21,668,009.34, 29,903,744.60 and 11,880,345.22 is: 16,395,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668,009.34 : 29,903,744.60 = 11,880,345.22 : x
  2. Step 2: Convert to fraction form
    21,668,009.34/29,903,744.60 = 11,880,345.22/x
  3. Step 3: Cross multiply
    21,668,009.34x = 29,903,744.60 × 11,880,345.22
  4. Step 4: Simplify right side
    21,668,009.34x = 355,266,809,218,710.88
  5. Step 5: Solve for x
    x = 355,266,809,218,710.88/21,668,009.34
  6. Step 6: Final answer
    x = 16,395,913.61

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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.