Home / 19,872,453.60-29,808,680.40-7,093,375.20

Finding the Fourth Proportional to 19,872,453.60, 29,808,680.40 and 7,093,375.20

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Solution

The fourth proportional to 19,872,453.60, 29,808,680.40 and 7,093,375.20 is: 10,640,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,453.60 : 29,808,680.40 = 7,093,375.20 : x
  2. Step 2: Convert to fraction form
    19,872,453.60/29,808,680.40 = 7,093,375.20/x
  3. Step 3: Cross multiply
    19,872,453.60x = 29,808,680.40 × 7,093,375.20
  4. Step 4: Simplify right side
    19,872,453.60x = 211,444,154,294,086.06
  5. Step 5: Solve for x
    x = 211,444,154,294,086.06/19,872,453.60
  6. Step 6: Final answer
    x = 10,640,062.80

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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.