Home / 8,631,984.40-11,912,139.50-4,764,506.60

Finding the Fourth Proportional to 8,631,984.40, 11,912,139.50 and 4,764,506.60

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Solution

The fourth proportional to 8,631,984.40, 11,912,139.50 and 4,764,506.60 is: 6,575,019.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,984.40 : 11,912,139.50 = 4,764,506.60 : x
  2. Step 2: Convert to fraction form
    8,631,984.40/11,912,139.50 = 4,764,506.60/x
  3. Step 3: Cross multiply
    8,631,984.40x = 11,912,139.50 × 4,764,506.60
  4. Step 4: Simplify right side
    8,631,984.40x = 56,755,467,267,870.70
  5. Step 5: Solve for x
    x = 56,755,467,267,870.70/8,631,984.40
  6. Step 6: Final answer
    x = 6,575,019.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.