Home / 10,408,093.20-15,612,139.80-6,624,291.60

Finding the Fourth Proportional to 10,408,093.20, 15,612,139.80 and 6,624,291.60

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Solution

The fourth proportional to 10,408,093.20, 15,612,139.80 and 6,624,291.60 is: 9,936,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,093.20 : 15,612,139.80 = 6,624,291.60 : x
  2. Step 2: Convert to fraction form
    10,408,093.20/15,612,139.80 = 6,624,291.60/x
  3. Step 3: Cross multiply
    10,408,093.20x = 15,612,139.80 × 6,624,291.60
  4. Step 4: Simplify right side
    10,408,093.20x = 103,419,366,535,165.67
  5. Step 5: Solve for x
    x = 103,419,366,535,165.67/10,408,093.20
  6. Step 6: Final answer
    x = 9,936,437.40

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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.