Home / 8,379,455.39-12,569,102.76-4,965,284.35

Finding the Fourth Proportional to 8,379,455.39, 12,569,102.76 and 4,965,284.35

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Solution

The fourth proportional to 8,379,455.39, 12,569,102.76 and 4,965,284.35 is: 7,447,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379,455.39 : 12,569,102.76 = 4,965,284.35 : x
  2. Step 2: Convert to fraction form
    8,379,455.39/12,569,102.76 = 4,965,284.35/x
  3. Step 3: Cross multiply
    8,379,455.39x = 12,569,102.76 × 4,965,284.35
  4. Step 4: Simplify right side
    8,379,455.39x = 62,409,169,196,347.05
  5. Step 5: Solve for x
    x = 62,409,169,196,347.05/8,379,455.39
  6. Step 6: Final answer
    x = 7,447,878.93

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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.