Home / 12,720,446.64-19,072,964.22-5,708,276.10

Finding the Fourth Proportional to 12,720,446.64, 19,072,964.22 and 5,708,276.10

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Solution

The fourth proportional to 12,720,446.64, 19,072,964.22 and 5,708,276.10 is: 8,558,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,720,446.64 : 19,072,964.22 = 5,708,276.10 : x
  2. Step 2: Convert to fraction form
    12,720,446.64/19,072,964.22 = 5,708,276.10/x
  3. Step 3: Cross multiply
    12,720,446.64x = 19,072,964.22 × 5,708,276.10
  4. Step 4: Simplify right side
    12,720,446.64x = 108,873,745,813,181.12
  5. Step 5: Solve for x
    x = 108,873,745,813,181.12/12,720,446.64
  6. Step 6: Final answer
    x = 8,558,956.21

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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.