Home / 20,854,465.80-31,281,698.70-17,705,185.80

Finding the Fourth Proportional to 20,854,465.80, 31,281,698.70 and 17,705,185.80

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Solution

The fourth proportional to 20,854,465.80, 31,281,698.70 and 17,705,185.80 is: 26,557,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,465.80 : 31,281,698.70 = 17,705,185.80 : x
  2. Step 2: Convert to fraction form
    20,854,465.80/31,281,698.70 = 17,705,185.80/x
  3. Step 3: Cross multiply
    20,854,465.80x = 31,281,698.70 × 17,705,185.80
  4. Step 4: Simplify right side
    20,854,465.80x = 553,848,287,623,118.50
  5. Step 5: Solve for x
    x = 553,848,287,623,118.50/20,854,465.80
  6. Step 6: Final answer
    x = 26,557,778.70

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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.