Home / 21,429,928.58-29,573,570.40-11,640,536.24

Finding the Fourth Proportional to 21,429,928.58, 29,573,570.40 and 11,640,536.24

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Solution

The fourth proportional to 21,429,928.58, 29,573,570.40 and 11,640,536.24 is: 16,064,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429,928.58 : 29,573,570.40 = 11,640,536.24 : x
  2. Step 2: Convert to fraction form
    21,429,928.58/29,573,570.40 = 11,640,536.24/x
  3. Step 3: Cross multiply
    21,429,928.58x = 29,573,570.40 × 11,640,536.24
  4. Step 4: Simplify right side
    21,429,928.58x = 344,252,217,987,391.31
  5. Step 5: Solve for x
    x = 344,252,217,987,391.31/21,429,928.58
  6. Step 6: Final answer
    x = 16,064,086.11

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1.5x scale

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.