Home / 6,603,415.20-9,905,122.80-5,406,688.80

Finding the Fourth Proportional to 6,603,415.20, 9,905,122.80 and 5,406,688.80

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Solution

The fourth proportional to 6,603,415.20, 9,905,122.80 and 5,406,688.80 is: 8,110,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,415.20 : 9,905,122.80 = 5,406,688.80 : x
  2. Step 2: Convert to fraction form
    6,603,415.20/9,905,122.80 = 5,406,688.80/x
  3. Step 3: Cross multiply
    6,603,415.20x = 9,905,122.80 × 5,406,688.80
  4. Step 4: Simplify right side
    6,603,415.20x = 53,553,916,505,384.64
  5. Step 5: Solve for x
    x = 53,553,916,505,384.64/6,603,415.20
  6. Step 6: Final answer
    x = 8,110,033.20

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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.