Home / 5,168,813.70-7,753,220.55-4,920,807.90

Finding the Fourth Proportional to 5,168,813.70, 7,753,220.55 and 4,920,807.90

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Solution

The fourth proportional to 5,168,813.70, 7,753,220.55 and 4,920,807.90 is: 7,381,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,813.70 : 7,753,220.55 = 4,920,807.90 : x
  2. Step 2: Convert to fraction form
    5,168,813.70/7,753,220.55 = 4,920,807.90/x
  3. Step 3: Cross multiply
    5,168,813.70x = 7,753,220.55 × 4,920,807.90
  4. Step 4: Simplify right side
    5,168,813.70x = 38,152,108,932,882.34
  5. Step 5: Solve for x
    x = 38,152,108,932,882.34/5,168,813.70
  6. Step 6: Final answer
    x = 7,381,211.85

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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.