Home / 20,840,590.80-31,266,415.80-7,376,014.80

Finding the Fourth Proportional to 20,840,590.80, 31,266,415.80 and 7,376,014.80

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Solution

The fourth proportional to 20,840,590.80, 31,266,415.80 and 7,376,014.80 is: 11,065,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840,590.80 : 31,266,415.80 = 7,376,014.80 : x
  2. Step 2: Convert to fraction form
    20,840,590.80/31,266,415.80 = 7,376,014.80/x
  3. Step 3: Cross multiply
    20,840,590.80x = 31,266,415.80 × 7,376,014.80
  4. Step 4: Simplify right side
    20,840,590.80x = 230,621,545,683,753.84
  5. Step 5: Solve for x
    x = 230,621,545,683,753.84/20,840,590.80
  6. Step 6: Final answer
    x = 11,065,979.27

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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.