Home / 21,429,930.58-29,573,573.16-11,640,538.24

Finding the Fourth Proportional to 21,429,930.58, 29,573,573.16 and 11,640,538.24

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Solution

The fourth proportional to 21,429,930.58, 29,573,573.16 and 11,640,538.24 is: 16,064,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429,930.58 : 29,573,573.16 = 11,640,538.24 : x
  2. Step 2: Convert to fraction form
    21,429,930.58/29,573,573.16 = 11,640,538.24/x
  3. Step 3: Cross multiply
    21,429,930.58x = 29,573,573.16 × 11,640,538.24
  4. Step 4: Simplify right side
    21,429,930.58x = 344,252,309,262,417.62
  5. Step 5: Solve for x
    x = 344,252,309,262,417.62/21,429,930.58
  6. Step 6: Final answer
    x = 16,064,088.87

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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.