Home / 39,036,339.86-53,869,491.33-21,632,649.62

Finding the Fourth Proportional to 39,036,339.86, 53,869,491.33 and 21,632,649.62

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Solution

The fourth proportional to 39,036,339.86, 53,869,491.33 and 21,632,649.62 is: 29,852,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,036,339.86 : 53,869,491.33 = 21,632,649.62 : x
  2. Step 2: Convert to fraction form
    39,036,339.86/53,869,491.33 = 21,632,649.62/x
  3. Step 3: Cross multiply
    39,036,339.86x = 53,869,491.33 × 21,632,649.62
  4. Step 4: Simplify right side
    39,036,339.86x = 1,165,339,831,149,517.75
  5. Step 5: Solve for x
    x = 1,165,339,831,149,517.75/39,036,339.86
  6. Step 6: Final answer
    x = 29,852,692.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.