Home / 19,408,000.40-29,112,000.60-13,361,382.80

Finding the Fourth Proportional to 19,408,000.40, 29,112,000.60 and 13,361,382.80

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Solution

The fourth proportional to 19,408,000.40, 29,112,000.60 and 13,361,382.80 is: 20,042,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408,000.40 : 29,112,000.60 = 13,361,382.80 : x
  2. Step 2: Convert to fraction form
    19,408,000.40/29,112,000.60 = 13,361,382.80/x
  3. Step 3: Cross multiply
    19,408,000.40x = 29,112,000.60 × 13,361,382.80
  4. Step 4: Simplify right side
    19,408,000.40x = 388,976,584,090,429.75
  5. Step 5: Solve for x
    x = 388,976,584,090,429.75/19,408,000.40
  6. Step 6: Final answer
    x = 20,042,074.20

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1.5x scale

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.