Home / 8,702,379.53-12,009,657.42-4,834,900.69

Finding the Fourth Proportional to 8,702,379.53, 12,009,657.42 and 4,834,900.69

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Solution

The fourth proportional to 8,702,379.53, 12,009,657.42 and 4,834,900.69 is: 6,672,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,379.53 : 12,009,657.42 = 4,834,900.69 : x
  2. Step 2: Convert to fraction form
    8,702,379.53/12,009,657.42 = 4,834,900.69/x
  3. Step 3: Cross multiply
    8,702,379.53x = 12,009,657.42 × 4,834,900.69
  4. Step 4: Simplify right side
    8,702,379.53x = 58,065,500,988,733.01
  5. Step 5: Solve for x
    x = 58,065,500,988,733.01/8,702,379.53
  6. Step 6: Final answer
    x = 6,672,370.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.