Home / 18,815,153.02-25,976,041.94-11,851,799.70

Finding the Fourth Proportional to 18,815,153.02, 25,976,041.94 and 11,851,799.70

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Solution

The fourth proportional to 18,815,153.02, 25,976,041.94 and 11,851,799.70 is: 16,362,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815,153.02 : 25,976,041.94 = 11,851,799.70 : x
  2. Step 2: Convert to fraction form
    18,815,153.02/25,976,041.94 = 11,851,799.70/x
  3. Step 3: Cross multiply
    18,815,153.02x = 25,976,041.94 × 11,851,799.70
  4. Step 4: Simplify right side
    18,815,153.02x = 307,862,846,071,679.44
  5. Step 5: Solve for x
    x = 307,862,846,071,679.44/18,815,153.02
  6. Step 6: Final answer
    x = 16,362,494.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.