Home / 20,723,281.40-31,084,922.10-19,462,532.60

Finding the Fourth Proportional to 20,723,281.40, 31,084,922.10 and 19,462,532.60

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Solution

The fourth proportional to 20,723,281.40, 31,084,922.10 and 19,462,532.60 is: 29,193,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,281.40 : 31,084,922.10 = 19,462,532.60 : x
  2. Step 2: Convert to fraction form
    20,723,281.40/31,084,922.10 = 19,462,532.60/x
  3. Step 3: Cross multiply
    20,723,281.40x = 31,084,922.10 × 19,462,532.60
  4. Step 4: Simplify right side
    20,723,281.40x = 604,991,309,739,710.50
  5. Step 5: Solve for x
    x = 604,991,309,739,710.50/20,723,281.40
  6. Step 6: Final answer
    x = 29,193,798.90

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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.