Home / 28,745,438.67-39,668,503.56-15,692,697.59

Finding the Fourth Proportional to 28,745,438.67, 39,668,503.56 and 15,692,697.59

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Solution

The fourth proportional to 28,745,438.67, 39,668,503.56 and 15,692,697.59 is: 21,655,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,745,438.67 : 39,668,503.56 = 15,692,697.59 : x
  2. Step 2: Convert to fraction form
    28,745,438.67/39,668,503.56 = 15,692,697.59/x
  3. Step 3: Cross multiply
    28,745,438.67x = 39,668,503.56 × 15,692,697.59
  4. Step 4: Simplify right side
    28,745,438.67x = 622,505,830,214,918.50
  5. Step 5: Solve for x
    x = 622,505,830,214,918.50/28,745,438.67
  6. Step 6: Final answer
    x = 21,655,812.51

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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.