Home / 21,946,956.60-32,920,434.90-13,884,799.80

Finding the Fourth Proportional to 21,946,956.60, 32,920,434.90 and 13,884,799.80

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Solution

The fourth proportional to 21,946,956.60, 32,920,434.90 and 13,884,799.80 is: 20,827,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946,956.60 : 32,920,434.90 = 13,884,799.80 : x
  2. Step 2: Convert to fraction form
    21,946,956.60/32,920,434.90 = 13,884,799.80/x
  3. Step 3: Cross multiply
    21,946,956.60x = 32,920,434.90 × 13,884,799.80
  4. Step 4: Simplify right side
    21,946,956.60x = 457,093,647,915,433
  5. Step 5: Solve for x
    x = 457,093,647,915,433/21,946,956.60
  6. Step 6: Final answer
    x = 20,827,199.70

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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.