Home / 21,504,498.80-32,256,748.20-19,862,207.60

Finding the Fourth Proportional to 21,504,498.80, 32,256,748.20 and 19,862,207.60

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Solution

The fourth proportional to 21,504,498.80, 32,256,748.20 and 19,862,207.60 is: 29,793,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,498.80 : 32,256,748.20 = 19,862,207.60 : x
  2. Step 2: Convert to fraction form
    21,504,498.80/32,256,748.20 = 19,862,207.60/x
  3. Step 3: Cross multiply
    21,504,498.80x = 32,256,748.20 × 19,862,207.60
  4. Step 4: Simplify right side
    21,504,498.80x = 640,690,229,249,326.38
  5. Step 5: Solve for x
    x = 640,690,229,249,326.38/21,504,498.80
  6. Step 6: Final answer
    x = 29,793,311.40

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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.