Home / 27,630,068.64-41,450,089.84-12,491,129.76

Finding the Fourth Proportional to 27,630,068.64, 41,450,089.84 and 12,491,129.76

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Solution

The fourth proportional to 27,630,068.64, 41,450,089.84 and 12,491,129.76 is: 18,738,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630,068.64 : 41,450,089.84 = 12,491,129.76 : x
  2. Step 2: Convert to fraction form
    27,630,068.64/41,450,089.84 = 12,491,129.76/x
  3. Step 3: Cross multiply
    27,630,068.64x = 41,450,089.84 × 12,491,129.76
  4. Step 4: Simplify right side
    27,630,068.64x = 517,758,450,755,097.69
  5. Step 5: Solve for x
    x = 517,758,450,755,097.69/27,630,068.64
  6. Step 6: Final answer
    x = 18,738,949.13

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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.