Home / 19,688,766.40-29,533,149.60-17,297,281.90

Finding the Fourth Proportional to 19,688,766.40, 29,533,149.60 and 17,297,281.90

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Solution

The fourth proportional to 19,688,766.40, 29,533,149.60 and 17,297,281.90 is: 25,945,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,766.40 : 29,533,149.60 = 17,297,281.90 : x
  2. Step 2: Convert to fraction form
    19,688,766.40/29,533,149.60 = 17,297,281.90/x
  3. Step 3: Cross multiply
    19,688,766.40x = 29,533,149.60 × 17,297,281.90
  4. Step 4: Simplify right side
    19,688,766.40x = 510,843,214,026,072.25
  5. Step 5: Solve for x
    x = 510,843,214,026,072.25/19,688,766.40
  6. Step 6: Final answer
    x = 25,945,922.85

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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.