Home / 19,708,534.80-27,000,241.31-18,971,678.61

Finding the Fourth Proportional to 19,708,534.80, 27,000,241.31 and 18,971,678.61

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Solution

The fourth proportional to 19,708,534.80, 27,000,241.31 and 18,971,678.61 is: 25,990,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708,534.80 : 27,000,241.31 = 18,971,678.61 : x
  2. Step 2: Convert to fraction form
    19,708,534.80/27,000,241.31 = 18,971,678.61/x
  3. Step 3: Cross multiply
    19,708,534.80x = 27,000,241.31 × 18,971,678.61
  4. Step 4: Simplify right side
    19,708,534.80x = 512,239,900,573,194.56
  5. Step 5: Solve for x
    x = 512,239,900,573,194.56/19,708,534.80
  6. Step 6: Final answer
    x = 25,990,765.21

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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.