Home / 12,316,085.76-18,477,166.14-4,229,181.84

Finding the Fourth Proportional to 12,316,085.76, 18,477,166.14 and 4,229,181.84

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Solution

The fourth proportional to 12,316,085.76, 18,477,166.14 and 4,229,181.84 is: 6,344,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,085.76 : 18,477,166.14 = 4,229,181.84 : x
  2. Step 2: Convert to fraction form
    12,316,085.76/18,477,166.14 = 4,229,181.84/x
  3. Step 3: Cross multiply
    12,316,085.76x = 18,477,166.14 × 4,229,181.84
  4. Step 4: Simplify right side
    12,316,085.76x = 78,143,295,493,950.89
  5. Step 5: Solve for x
    x = 78,143,295,493,950.89/12,316,085.76
  6. Step 6: Final answer
    x = 6,344,815.80

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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.