Home / 20,736,657.40-31,104,986.10-17,377,425.40

Finding the Fourth Proportional to 20,736,657.40, 31,104,986.10 and 17,377,425.40

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Solution

The fourth proportional to 20,736,657.40, 31,104,986.10 and 17,377,425.40 is: 26,066,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,657.40 : 31,104,986.10 = 17,377,425.40 : x
  2. Step 2: Convert to fraction form
    20,736,657.40/31,104,986.10 = 17,377,425.40/x
  3. Step 3: Cross multiply
    20,736,657.40x = 31,104,986.10 × 17,377,425.40
  4. Step 4: Simplify right side
    20,736,657.40x = 540,524,575,520,786.94
  5. Step 5: Solve for x
    x = 540,524,575,520,786.94/20,736,657.40
  6. Step 6: Final answer
    x = 26,066,138.10

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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.