Home / 21,506,449.40-32,259,674.10-19,515,793.40

Finding the Fourth Proportional to 21,506,449.40, 32,259,674.10 and 19,515,793.40

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Solution

The fourth proportional to 21,506,449.40, 32,259,674.10 and 19,515,793.40 is: 29,273,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,449.40 : 32,259,674.10 = 19,515,793.40 : x
  2. Step 2: Convert to fraction form
    21,506,449.40/32,259,674.10 = 19,515,793.40/x
  3. Step 3: Cross multiply
    21,506,449.40x = 32,259,674.10 × 19,515,793.40
  4. Step 4: Simplify right side
    21,506,449.40x = 629,573,134,886,930.88
  5. Step 5: Solve for x
    x = 629,573,134,886,930.88/21,506,449.40
  6. Step 6: Final answer
    x = 29,273,690.10

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Similar ratio
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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.