Home / 13,334,137.20-20,001,205.80-9,974,905.20

Finding the Fourth Proportional to 13,334,137.20, 20,001,205.80 and 9,974,905.20

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Solution

The fourth proportional to 13,334,137.20, 20,001,205.80 and 9,974,905.20 is: 14,962,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334,137.20 : 20,001,205.80 = 9,974,905.20 : x
  2. Step 2: Convert to fraction form
    13,334,137.20/20,001,205.80 = 9,974,905.20/x
  3. Step 3: Cross multiply
    13,334,137.20x = 20,001,205.80 × 9,974,905.20
  4. Step 4: Simplify right side
    13,334,137.20x = 199,510,131,740,690.16
  5. Step 5: Solve for x
    x = 199,510,131,740,690.16/13,334,137.20
  6. Step 6: Final answer
    x = 14,962,357.80

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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.