Home / 39,136,582.25-58,684,792.31-20,702,476.81

Finding the Fourth Proportional to 39,136,582.25, 58,684,792.31 and 20,702,476.81

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Solution

The fourth proportional to 39,136,582.25, 58,684,792.31 and 20,702,476.81 is: 31,043,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136,582.25 : 58,684,792.31 = 20,702,476.81 : x
  2. Step 2: Convert to fraction form
    39,136,582.25/58,684,792.31 = 20,702,476.81/x
  3. Step 3: Cross multiply
    39,136,582.25x = 58,684,792.31 × 20,702,476.81
  4. Step 4: Simplify right side
    39,136,582.25x = 1,214,920,551,500,505
  5. Step 5: Solve for x
    x = 1,214,920,551,500,505/39,136,582.25
  6. Step 6: Final answer
    x = 31,043,092.72

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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.