Home / 19,708,684.64-27,000,446.18-18,971,828.30

Finding the Fourth Proportional to 19,708,684.64, 27,000,446.18 and 18,971,828.30

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Solution

The fourth proportional to 19,708,684.64, 27,000,446.18 and 18,971,828.30 is: 25,990,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708,684.64 : 27,000,446.18 = 18,971,828.30 : x
  2. Step 2: Convert to fraction form
    19,708,684.64/27,000,446.18 = 18,971,828.30/x
  3. Step 3: Cross multiply
    19,708,684.64x = 27,000,446.18 × 18,971,828.30
  4. Step 4: Simplify right side
    19,708,684.64x = 512,247,828,771,115.38
  5. Step 5: Solve for x
    x = 512,247,828,771,115.38/19,708,684.64
  6. Step 6: Final answer
    x = 25,990,969.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.