Home / 21,657,780.60-32,486,670.90-19,222,337.40

Finding the Fourth Proportional to 21,657,780.60, 32,486,670.90 and 19,222,337.40

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Solution

The fourth proportional to 21,657,780.60, 32,486,670.90 and 19,222,337.40 is: 28,833,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657,780.60 : 32,486,670.90 = 19,222,337.40 : x
  2. Step 2: Convert to fraction form
    21,657,780.60/32,486,670.90 = 19,222,337.40/x
  3. Step 3: Cross multiply
    21,657,780.60x = 32,486,670.90 × 19,222,337.40
  4. Step 4: Simplify right side
    21,657,780.60x = 624,469,749,042,561.62
  5. Step 5: Solve for x
    x = 624,469,749,042,561.62/21,657,780.60
  6. Step 6: Final answer
    x = 28,833,506.10

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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.