Home / 5,472,014.70-8,208,022.05-5,178,081.90

Finding the Fourth Proportional to 5,472,014.70, 8,208,022.05 and 5,178,081.90

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Solution

The fourth proportional to 5,472,014.70, 8,208,022.05 and 5,178,081.90 is: 7,767,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,014.70 : 8,208,022.05 = 5,178,081.90 : x
  2. Step 2: Convert to fraction form
    5,472,014.70/8,208,022.05 = 5,178,081.90/x
  3. Step 3: Cross multiply
    5,472,014.70x = 8,208,022.05 × 5,178,081.90
  4. Step 4: Simplify right side
    5,472,014.70x = 42,501,810,411,905.90
  5. Step 5: Solve for x
    x = 42,501,810,411,905.90/5,472,014.70
  6. Step 6: Final answer
    x = 7,767,122.85

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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.