Home / 19,783,934.40-29,675,901.60-17,831,380.80

Finding the Fourth Proportional to 19,783,934.40, 29,675,901.60 and 17,831,380.80

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Solution

The fourth proportional to 19,783,934.40, 29,675,901.60 and 17,831,380.80 is: 26,747,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783,934.40 : 29,675,901.60 = 17,831,380.80 : x
  2. Step 2: Convert to fraction form
    19,783,934.40/29,675,901.60 = 17,831,380.80/x
  3. Step 3: Cross multiply
    19,783,934.40x = 29,675,901.60 × 17,831,380.80
  4. Step 4: Simplify right side
    19,783,934.40x = 529,162,302,012,929.31
  5. Step 5: Solve for x
    x = 529,162,302,012,929.31/19,783,934.40
  6. Step 6: Final answer
    x = 26,747,071.20

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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.