Home / 21,508,092.80-32,262,139.20-19,865,801.60

Finding the Fourth Proportional to 21,508,092.80, 32,262,139.20 and 19,865,801.60

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Solution

The fourth proportional to 21,508,092.80, 32,262,139.20 and 19,865,801.60 is: 29,798,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,092.80 : 32,262,139.20 = 19,865,801.60 : x
  2. Step 2: Convert to fraction form
    21,508,092.80/32,262,139.20 = 19,865,801.60/x
  3. Step 3: Cross multiply
    21,508,092.80x = 32,262,139.20 × 19,865,801.60
  4. Step 4: Simplify right side
    21,508,092.80x = 640,913,256,538,782.75
  5. Step 5: Solve for x
    x = 640,913,256,538,782.75/21,508,092.80
  6. Step 6: Final answer
    x = 29,798,702.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.