Home / 21,668,011.34-29,903,747.36-11,880,347.22

Finding the Fourth Proportional to 21,668,011.34, 29,903,747.36 and 11,880,347.22

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Solution

The fourth proportional to 21,668,011.34, 29,903,747.36 and 11,880,347.22 is: 16,395,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668,011.34 : 29,903,747.36 = 11,880,347.22 : x
  2. Step 2: Convert to fraction form
    21,668,011.34/29,903,747.36 = 11,880,347.22/x
  3. Step 3: Cross multiply
    21,668,011.34x = 29,903,747.36 × 11,880,347.22
  4. Step 4: Simplify right side
    21,668,011.34x = 355,266,901,815,958.38
  5. Step 5: Solve for x
    x = 355,266,901,815,958.38/21,668,011.34
  6. Step 6: Final answer
    x = 16,395,916.37

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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.