Home / 39,559,677.31-54,591,632.12-21,918,515.50

Finding the Fourth Proportional to 39,559,677.31, 54,591,632.12 and 21,918,515.50

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Solution

The fourth proportional to 39,559,677.31, 54,591,632.12 and 21,918,515.50 is: 30,247,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,559,677.31 : 54,591,632.12 = 21,918,515.50 : x
  2. Step 2: Convert to fraction form
    39,559,677.31/54,591,632.12 = 21,918,515.50/x
  3. Step 3: Cross multiply
    39,559,677.31x = 54,591,632.12 × 21,918,515.50
  4. Step 4: Simplify right side
    39,559,677.31x = 1,196,567,534,409,967.25
  5. Step 5: Solve for x
    x = 1,196,567,534,409,967.25/39,559,677.31
  6. Step 6: Final answer
    x = 30,247,151.04

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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.