Home / 21,335,488.63-29,443,047.59-11,545,930.22

Finding the Fourth Proportional to 21,335,488.63, 29,443,047.59 and 11,545,930.22

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Solution

The fourth proportional to 21,335,488.63, 29,443,047.59 and 11,545,930.22 is: 15,933,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,488.63 : 29,443,047.59 = 11,545,930.22 : x
  2. Step 2: Convert to fraction form
    21,335,488.63/29,443,047.59 = 11,545,930.22/x
  3. Step 3: Cross multiply
    21,335,488.63x = 29,443,047.59 × 11,545,930.22
  4. Step 4: Simplify right side
    21,335,488.63x = 339,947,372,938,279.19
  5. Step 5: Solve for x
    x = 339,947,372,938,279.19/21,335,488.63
  6. Step 6: Final answer
    x = 15,933,423.36

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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.