Home / 7,307,688.20-10,939,692.90-4,420,316.96

Finding the Fourth Proportional to 7,307,688.20, 10,939,692.90 and 4,420,316.96

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Solution

The fourth proportional to 7,307,688.20, 10,939,692.90 and 4,420,316.96 is: 6,617,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307,688.20 : 10,939,692.90 = 4,420,316.96 : x
  2. Step 2: Convert to fraction form
    7,307,688.20/10,939,692.90 = 4,420,316.96/x
  3. Step 3: Cross multiply
    7,307,688.20x = 10,939,692.90 × 4,420,316.96
  4. Step 4: Simplify right side
    7,307,688.20x = 48,356,910,063,061.59
  5. Step 5: Solve for x
    x = 48,356,910,063,061.59/7,307,688.20
  6. Step 6: Final answer
    x = 6,617,265.10

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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.