Home / 19,535,982.80-29,303,974.20-18,706,672.40

Finding the Fourth Proportional to 19,535,982.80, 29,303,974.20 and 18,706,672.40

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Solution

The fourth proportional to 19,535,982.80, 29,303,974.20 and 18,706,672.40 is: 28,060,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535,982.80 : 29,303,974.20 = 18,706,672.40 : x
  2. Step 2: Convert to fraction form
    19,535,982.80/29,303,974.20 = 18,706,672.40/x
  3. Step 3: Cross multiply
    19,535,982.80x = 29,303,974.20 × 18,706,672.40
  4. Step 4: Simplify right side
    19,535,982.80x = 548,179,845,377,452
  5. Step 5: Solve for x
    x = 548,179,845,377,452/19,535,982.80
  6. Step 6: Final answer
    x = 28,060,008.60

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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.