Home / 39,365,374.60-59,057,393.10-20,199,089.80

Finding the Fourth Proportional to 39,365,374.60, 59,057,393.10 and 20,199,089.80

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Solution

The fourth proportional to 39,365,374.60, 59,057,393.10 and 20,199,089.80 is: 30,303,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365,374.60 : 59,057,393.10 = 20,199,089.80 : x
  2. Step 2: Convert to fraction form
    39,365,374.60/59,057,393.10 = 20,199,089.80/x
  3. Step 3: Cross multiply
    39,365,374.60x = 59,057,393.10 × 20,199,089.80
  4. Step 4: Simplify right side
    39,365,374.60x = 1,192,905,586,580,800.50
  5. Step 5: Solve for x
    x = 1,192,905,586,580,800.50/39,365,374.60
  6. Step 6: Final answer
    x = 30,303,422.71

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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.