Home / 28,503,538.56-42,770,007.36-13,359,008.64

Finding the Fourth Proportional to 28,503,538.56, 42,770,007.36 and 13,359,008.64

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Solution

The fourth proportional to 28,503,538.56, 42,770,007.36 and 13,359,008.64 is: 20,045,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503,538.56 : 42,770,007.36 = 13,359,008.64 : x
  2. Step 2: Convert to fraction form
    28,503,538.56/42,770,007.36 = 13,359,008.64/x
  3. Step 3: Cross multiply
    28,503,538.56x = 42,770,007.36 × 13,359,008.64
  4. Step 4: Simplify right side
    28,503,538.56x = 571,364,897,855,103.62
  5. Step 5: Solve for x
    x = 571,364,897,855,103.62/28,503,538.56
  6. Step 6: Final answer
    x = 20,045,402.32

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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.