Home / 21,763,209.60-32,644,814.40-18,403,977.60

Finding the Fourth Proportional to 21,763,209.60, 32,644,814.40 and 18,403,977.60

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Solution

The fourth proportional to 21,763,209.60, 32,644,814.40 and 18,403,977.60 is: 27,605,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763,209.60 : 32,644,814.40 = 18,403,977.60 : x
  2. Step 2: Convert to fraction form
    21,763,209.60/32,644,814.40 = 18,403,977.60/x
  3. Step 3: Cross multiply
    21,763,209.60x = 32,644,814.40 × 18,403,977.60
  4. Step 4: Simplify right side
    21,763,209.60x = 600,794,432,973,757.50
  5. Step 5: Solve for x
    x = 600,794,432,973,757.50/21,763,209.60
  6. Step 6: Final answer
    x = 27,605,966.40

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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.