Home / 28,860,806.54-39,828,430.56-15,807,224.70

Finding the Fourth Proportional to 28,860,806.54, 39,828,430.56 and 15,807,224.70

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Solution

The fourth proportional to 28,860,806.54, 39,828,430.56 and 15,807,224.70 is: 21,814,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860,806.54 : 39,828,430.56 = 15,807,224.70 : x
  2. Step 2: Convert to fraction form
    28,860,806.54/39,828,430.56 = 15,807,224.70/x
  3. Step 3: Cross multiply
    28,860,806.54x = 39,828,430.56 × 15,807,224.70
  4. Step 4: Simplify right side
    28,860,806.54x = 629,576,951,209,327.12
  5. Step 5: Solve for x
    x = 629,576,951,209,327.12/28,860,806.54
  6. Step 6: Final answer
    x = 21,814,253.54

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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.