Home / 18,647,312.64-27,970,968.96-6,688,446.72

Finding the Fourth Proportional to 18,647,312.64, 27,970,968.96 and 6,688,446.72

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Solution

The fourth proportional to 18,647,312.64, 27,970,968.96 and 6,688,446.72 is: 10,032,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647,312.64 : 27,970,968.96 = 6,688,446.72 : x
  2. Step 2: Convert to fraction form
    18,647,312.64/27,970,968.96 = 6,688,446.72/x
  3. Step 3: Cross multiply
    18,647,312.64x = 27,970,968.96 × 6,688,446.72
  4. Step 4: Simplify right side
    18,647,312.64x = 187,082,335,595,733.81
  5. Step 5: Solve for x
    x = 187,082,335,595,733.81/18,647,312.64
  6. Step 6: Final answer
    x = 10,032,670.08

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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.