Home / 8,306,816.70-12,435,341.85-4,939,290.30

Finding the Fourth Proportional to 8,306,816.70, 12,435,341.85 and 4,939,290.30

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Solution

The fourth proportional to 8,306,816.70, 12,435,341.85 and 4,939,290.30 is: 7,394,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,816.70 : 12,435,341.85 = 4,939,290.30 : x
  2. Step 2: Convert to fraction form
    8,306,816.70/12,435,341.85 = 4,939,290.30/x
  3. Step 3: Cross multiply
    8,306,816.70x = 12,435,341.85 × 4,939,290.30
  4. Step 4: Simplify right side
    8,306,816.70x = 61,421,763,376,889.05
  5. Step 5: Solve for x
    x = 61,421,763,376,889.05/8,306,816.70
  6. Step 6: Final answer
    x = 7,394,139.73

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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.