Home / 19,764,216.60-29,696,091.30-12,579,192.60

Finding the Fourth Proportional to 19,764,216.60, 29,696,091.30 and 12,579,192.60

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Solution

The fourth proportional to 19,764,216.60, 29,696,091.30 and 12,579,192.60 is: 18,900,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764,216.60 : 29,696,091.30 = 12,579,192.60 : x
  2. Step 2: Convert to fraction form
    19,764,216.60/29,696,091.30 = 12,579,192.60/x
  3. Step 3: Cross multiply
    19,764,216.60x = 29,696,091.30 × 12,579,192.60
  4. Step 4: Simplify right side
    19,764,216.60x = 373,552,851,929,884.38
  5. Step 5: Solve for x
    x = 373,552,851,929,884.38/19,764,216.60
  6. Step 6: Final answer
    x = 18,900,463.37

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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.