Home / 21,353,819.60-32,030,729.40-17,763,640.40

Finding the Fourth Proportional to 21,353,819.60, 32,030,729.40 and 17,763,640.40

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Solution

The fourth proportional to 21,353,819.60, 32,030,729.40 and 17,763,640.40 is: 26,645,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,819.60 : 32,030,729.40 = 17,763,640.40 : x
  2. Step 2: Convert to fraction form
    21,353,819.60/32,030,729.40 = 17,763,640.40/x
  3. Step 3: Cross multiply
    21,353,819.60x = 32,030,729.40 × 17,763,640.40
  4. Step 4: Simplify right side
    21,353,819.60x = 568,982,358,811,307.62
  5. Step 5: Solve for x
    x = 568,982,358,811,307.62/21,353,819.60
  6. Step 6: Final answer
    x = 26,645,460.60

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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.